HACKER Q&A
📣 paulgb

What have you created that deserves a second chance on HN?


We all know there’s a big luck component to breaking off the /new page. I want to see the original content that you’re proud of but flopped on HN.


  👤 kbyatnal Accepted Answer ✓
https://crowdview.ai - search engine for forums and discussion sites

Like many of you, I find Google results to be full of SEO spam and have resorted to adding "site:reddit.com" or "site:news.ycombinator.com" to all my queries (since 2015!). Otherwise, it's really hard to figure out "what does a genuine, real life human think about this thing?".

But limiting my results to just Reddit isn't ideal because so much great content exists elsewhere. Lots of great information and conversations have moved elsewhere, and niche forums are still alive on the web! But it's impossible to find these places because they rank so poorly on Google. So I built a search engine across a curated list of these, making sure to remove any kind of SEO junk (blog spam, listicles, etc).

There's also a chrome extension that surfaces these results alongside Google, so you don't have to remember to keep coming back.

Please try it out and share any feedback! (and if you're interested in this topic, join the Slack)


👤 Shish2k
https://github.com/shish/rosettaboy

The same gameboy emulator rewritten in C++, Go, Nim, PHP, Cython, Python, Rust, and Zig (and WIP typescript); mostly to teach myself the languages and to compare and contrast their idioms.

Also, when taken with a very large grain of salt, usable as a language benchmark (As with all benchmarks, there are lots of caveats - but as far as I’m aware this is unique in being “the same code in multiple languages” and “several thousand lines of code”):

  $ ./utils/bench.py
   rs / lto    : Emulated 15763 frames in 10.00s (1576fps)
  cpp / lto    : Emulated 14737 frames in 10.00s (1474fps)
   rs / release: Emulated 13183 frames in 10.00s (1318fps)
  cpp / release: Emulated 12966 frames in 10.00s (1297fps)
  zig / release: Emulated  8792 frames in 10.00s (879fps)
  nim / speed  : Emulated  8127 frames in 10.00s (812fps)
  nim / release: Emulated  6161 frames in 10.00s (616fps)
  cpp / debug  : Emulated  5693 frames in 10.00s (569fps)
   go / release: Emulated  5040 frames in 10.00s (504fps)
  pxd / release: Emulated  3792 frames in 10.00s (379fps)
  nim / debug  : Emulated  1968 frames in 10.00s (196fps)
   rs / debug  : Emulated  1676 frames in 10.00s (168fps)
   py / mypyc  : Emulated   887 frames in 10.01s (89fps)
  php / opcache: Emulated   613 frames in 10.01s (61fps)
  php / release: Emulated   255 frames in 10.01s (25fps)
   py / release: Emulated   101 frames in 10.06s (10fps)
  zig / safe   : Emulated    40 frames in 10.00s (4fps)

👤 markdjacobsen
I wrote a book called “Eating Glass” about the grueling emotional and psychological experience of presiding over a prolonged startup failure, coping with the aftermath, and finding my way back to health and growth.

I wrote the book I wished I’d had available to me, as I believe these experiences are common among entrepreneurs and high achievers. My “Show HN” was immediately lost downstream but I have given out free digital copies on a few occasions in response to folks posting here about similar struggles.

I have links and a lot of free excerpts at https://markdjacobsen.com/eating-glass/


👤 codepoet80
I (significantly) restored Palm/HP's webOS services, include the SDK, (partial) App Catalog, and a variety of proxied, re-created back-end services to keep devices like the Palm Pre and HP Touchpad functional: https://www.webosarchive.org

👤 mtmail
https://flipcoords.com/

The web tool will switch the position of latitude and longitude in text. It's a common issue in GIS industry as there's no agreement which order is the correct one (and tools/software want one or the other). The initial Show HN dicussion derailed into which order is the correct one, second-guessing why the tool could be any useful to anybody and it went downhill (well, flagged) from there.


👤 sporkl
Pivotuner[0]: automatic real-time pure intonation and microtonal modulation

This is an audio plugin which I've been working on over the past couple years, I've gotten input from some pretty high-profile artists like Jacob Collier! Finally released it publicly late last year.

Pivotuner is a plugin which tunes MIDI data in pure intonation in real time. Besides enabling beautiful purely-tuned chords on keyboards, this also enables many other cool things such as microtonal modulation, and unusual chord sonorities! (more info on the website, this is copy-pasted)

Besides the demos on the website, there's some stuff on YouTube[1].

I'm good to answer any questions!

[0]: https://www.dmitrivolkov.com/projects/pivotuner/ [1]: https://youtu.be/iyxaIP5VAkw?list=PLWgV6cfPuuQVsNRsXxNOicKQo...


👤 lawlorino
https://github.com/jameslawlor/reddit-playlists

I made a bot last summer to generate and update weekly Spotify playlists from 100 or so music subreddits based on the top submissions of that week. Update operates entirely through a GitHub action so no resource spending.

I don’t often finish my side projects so was pretty happy to have something finally usable and shareable, it’s been fun showing friends!


👤 skytrue
https://www.twitch.tv/watchmeforever - AI-generated (aside from the artwork) parody of '90s sitcoms, running forever (24/7/365).

We worked on this w/ a very small team for the past four years, in-between our day jobs. When started, OpenAI didn't have an API, and Stable Diffusion definitely wasn't a thing, so we had to come up with novel methods to thread cohesive content together. Most of the "creative" details e.g., laugh track, dialogue, frequency of dialogue, camera shots, and so on, are all tunable on a per scene basis.

We're in sort of a holding pattern right now -- no clear path to monetization for the project, and it hasn't garnered enough attention for us to probably get funding based on the technology backbone.

Hope you enjoy it! Labor of love. :)


👤 mozz100
https://app.dev-esc.com/new_game/ - an online escape room for developer teams. I aimed to make a team-building experience that was a bit different. unashamedly geeky: you’ll need puzzling and some coding to solve the challenges.

Fully remote for teams of 1-8ish; free to explore. Requires a computer, although you can explore on mobile/tablet.

Originally it was free to play - I got a fair few plays off my HN post, now I have a trickle of paying customers.

Use code hackernews22 for a 40% discount

Original submission at https://news.ycombinator.com/item?id=28579191


👤 iainctduncan
I created Scheme for Max and Scheme for Pure Data. They are extensions to the Max/MSP, Ableton Live, and Pure Data computer music environments that embed an s7 Scheme interpreter in the host so that you can script, automate, and live code the hosts with s7, a Scheme from the CCRMA computer music center at Stanford and the same one used in the Snd editor and the Common Music 3 algorithmic composition environment. This allows you to do things like write algorithmic music tools, sequencers, and use the Ableton Live API in Scheme, including with Common Lisp style macros. It has an API for integrating with Max to share data structures, hook into the scheduler, run in the high priority thread, and so on. (The Max javascript object does not run in the high thread and so while it is similar in scope, it can't be used for accurate timing, so is no good for sequencing or live algorithmic generation.) S4M allows you to do all the goodness of high level music programming in a Lisp, without losing the ability to use modern commercial tooling and instruments. It's my thesis project for a Masters in Music Technology with Andy Schloss and George Tzanetakis at the University of Victoria, and I plan to continue to a PhD working on it. I tried submitting twice, but it never made the page, which surprised me a bit given Lisp interest here.

The github page is here: https://github.com/iainctduncan/scheme-for-max

The youtube channel with various demos is here: https://www.youtube.com/c/musicwithlisp


👤 schemescape
My single-instruction (subleq) programming game:

https://github.com/jaredkrinke/sic1

I really thought enough people liked esolangs and zachlikes, but it failed to get a single upvote, so never even made it to the “Show” page (well, not until like a week later, at which point it was buried anyway) :(


👤 ashz8888
https://confluo.app - A productivity assistant app that instead of planning your day in advance dynamically suggests you tasks to pick based on the time of the day. Planning ahead never worked for me as something unexpected always came along. Hence I wanted an app that I can open, go through a list of task suggestions and pick the one I like. In addition, I included features like timer, pomodoro, and virtual co-working that helped me stay productive during the lockdowns. I also wanted to track how many hours I was working and which skill I was spending my time on, so I also those features. I shared it on HN, hoping people will like it. But it never made it to new page :(

👤 evtaylor
Dollero - https://dollero.app/

I created a personal budgeting web app which doesn't store any of your financial information in the cloud. Instead your budget data is stored locally in your browser with IndexedDB and is sync'd peer to peer with your other devices using WebRTC.


👤 rhettbull
https://github.com/RhetTbull/osxphotos

A macOS command-line "multi-tool" for working with Apple Photos. Allows you to export photos (along with all the metadata), batch-edit metadata such as times and timezones, explore the AI metadata Apple computes for each photo (but doesn't make available to the user) such as "well timed shot", "pleasant composition", etc, compare libraries, sync metadata between libraries, and much more! It's written in python and provides a full python API for interacting with Photos.


👤 patchorang
I made a drum machine that I think is pretty cool - https://main.d28ilu31tegyi1.amplifyapp.com/ I taught myself how to program 15+ years ago because I wanted to make music software. Fast forward 15 years, and I've spent my whole career as a designer for B2B Saas. I wanted to re-learn some development stuff and going back to my original inspiration seemed like a good idea. (Still a bit in progress and sorry doesn't work on mobile, there is some Web Audio stuff I haven't figure out for mobile yet)

I also built a small app to learn my piano chords. You can play along with a MIDI keyboard. https://www.learnyourchords.com/


👤 willmeyers
I made https://welovefreemovies.com

It's a showcase of movies that people made and released for free on YouTube (my original submission has better details). I'm pretty sure it got hit by the auto spam filter due to the name.

OG submission if you're interested: https://news.ycombinator.com/item?id=34288257


👤 yakubin
https://yakubin.com/notes/comp/reserve-and-commit.html

In-depth analysis of a memory allocation strategy, which allowed me to write an alternative to std::vector, which in my benchmarks performed better for all but a few workloads and on those few was competitive.

I was exhausted after finishing it. It may have been too long for some folks though. No upvotes.


👤 chaibiker
https://www.movably.com/

Got beat up a bit here originally- didn't have the science to share to back up our claims. Now we do, moving regularly prevents back pain & can be easy and without impacting desk work productivity. Study report: https://www.movably.com/_files/ugd/ba4f7a_ee962b83d95e4c47a4...


👤 chaabani
I made a programming puzzle game that got overwhelmingly positive reviews by the very few people who downloaded it: 42 five-star reviews over 45 total.

I think that anyone who likes hard puzzles and spending many hours/days to solve some levels will enjoy it.

Also, if one happens to be a programmer that struggles with recursion, I think the game might help with that regard, but being a programmer is not a requirement to play.

Website: https://www.kidori.com/games/recursive/

Appstore: https://apps.apple.com/app/id1550504475


👤 binkHN
I’m an introvert – made an app to help maintain connections with people.

Landing page is at https://communiqai.com and it's also on the Play Store at https://play.google.com/store/apps/details?id=dev.mtc.ga.

CommuniqAI is an intelligent tool for scheduling and automating SMS text messages, calls and email. It’ll help you stay in touch with those who mean the most to you—and it’ll be there for you through life’s many distractions.

Let’s face it, some of us are better at communicating than others. Rather than forgetting or being “too busy” to reach out to those who are important to you, CommuniqAI will cleverly send text messages of your choosing to, and smartly prompt you to call and email, the people you care about. Whether that person is a significant other, family member, friend, or even a patient, CommuniqAI will help you stay in constant contact.

Some people are, very much, against automation technology like this, but I believe that anything that can help keep communication high between loved ones is, in the long run, a good thing. CommuniqAI, by default, will not take any action and largely act as a helpful reminder.


👤 sinker
https://mmabetsharp.com

A website to help make informed bets on the UFC. It presents a lot of relevant data if you're serious about MMA sports betting.

I made this during the pandemic and tried to promote it through Reddit and Twitter, but it mostly fell flat and ran out of steam. I only scratched the surface of what I intended here. The data on the site is a bit outdated since neither I nor anyone has used it in a while.

A bit bummed that it never caught on within the MMA capping community, but I've felt I could always come back to it if the potential expressed itself.


👤 7373737373
https://icebergcharts.com/ - I'd like many people here create icebergs about technical and scientific topics

The "Cursed Computer Iceberg" (https://suricrasia.online/iceberg/) is what inspired this site, and I think there are many more to be made.


👤 ya1sec
https://moonjump.app

Moonjump is a server that redirects you to a random page harvested from Are.na, Hacker News, Marginalia Search, and Gossip Web. This project aims to spark curiosity and provide a portal to the vast collection of interesting material hidden by the commercial web.

The source material is aggregated with care by users of these platforms. Since this accumulation is performed by hand, pages are saved because they had an effect on the users who saved them. The goal is to find something that has an effect on you.

For Are.na, the dictionary of channels that the app pulls from is weighted by the number of pages in the channel. Channels with the most pages are more likely to be selected.

Moonjump makes a decision for you by selecting something random from a deep sea of unconventional content. Results may be peculiar, profound, or absolute nonsense. But you can always close the tab and jump again.

The search engine is powered by Marginalia. I have to admit that the existence of Marginalia is a huge inspiration for Moonjump. Search queries on Moonjump use the Marginalia API to redirect you to a random result.

The easiest way to jump is to click the large logo at the center of the homepage. You can also add https://moonjump.app/jump to your bookmarks bar.

If you are an OSX user and have hammerspoon installed, check the github repo for instructions on how to jump via a keyboard shortcut.

github: https://github.com/ya1sec/moonjump


👤 RichardChu
https://notabase.io - a note-taking app for networked thinking.

It supports page stacking, linked references, block references, a graph view, and all that good stuff. Think of it as similar to Roam Research / Obsidian.

It's also open source so you can self-host it. Here's the code: https://github.com/churichard/notabase

I'm hoping to add support for shareable links soon. Open to other ideas or feedback!


👤 samuell
https://scipipe.org - A pipeline tool for shell commands by a declarative flow-based API in Go

Github link: https://github.com/scipipe/scipipe

There are many pipeline tools for shell commands, but a majority has one or more limitations in their API which makes certain complex pipelines impossible or really hard to write.

We were pushing the limits of all the tools we tried, so developed our own, and implemented it in Go, with a declarative API for defining the data flow dependencies, instead of inventing yet another DSL. This has allowed us great flexibility in developing also complex pipelines, e.g. combining parameter sweeps nested with cross-validation implemented as workflow constructs.

SciPipe is also unique in providing an audit report for every single output of the workflow, in a structured JSON format. A helper tool allows converting these reports to either an HTML report, a PDF, or a Bash script that will generate the one accompanying output file from scratch.

An extra cool things is that, because the audit reports live alongside output files, if you run a scipipe workflow that uses files generated by another scipipe workflow, it will pick up also all the history for the input files generated by this earlier workflow, meaning that you get a 100% complete audit report, even if your analysis spans multiple workflows!

(More on the audit/provenance report in this post: https://rillabs.com/posts/provenance-reports-in-scientific-w... )


👤 iceburgcrm
IceburgCRM - https://iceburg.ca

Iceburg CRM is a metadata driven CRM that allows you to quickly prototype any CRM. The default CRM is based on a typical business CRM but the flexibility of dynamic modules, fields, subpanels allows prototyping of any number of different types of CRMs.

Features [Unlimited Relationships between any number modules without common fields]

  [Metadata creations of modules, fields, relationships, subpanels, datalets, seeding]
  [Ability to Import/Export in 6 different formats (XLSX, CSV, TSV, ODS, XLS, HTML]

  [25 different input types, Laravel field validation, Maska field masking]

  [26 themes with light and dark themes available]

  [Module based Role permissions (read, write, import, export)]

  [Audit logs, Vue3 Charts, Convertable modules, Related Fields (related to another module)]
Iceburg CRM is created with:

  Vue 3 for the frontend
  Laravel 9 for the backend
  Tailwinds with the DaisyUI plugin
  Inertia for routing

👤 jampa
A instant tech job search engine powered by Algolia, https://jsniffer.com/

It's been an on/off side project last 2 years.

Expected people to come with strong criticism on it, since it is far from done and the way that I capture metadata is not great yet.

Instead I received no comments, which I think it was worse haha.


👤 donatj
It's not 100% done yet - the rough MVP functionality is in place - but I'd love to know what people think

https://shielded.dev/

Simple API controlled README "shields". Lets you update a custom badge by API - fully open source.

Lets you update the badges to say whatever you want as part of your CI process. For instance we have it show the number of build warnings the most recent build generated.

Example badge:

https://img.shielded.dev/s/c74

and example API call

    curl -X "POST" "https://api.shielded.dev" \
     -H 'Authorization: token ' \
     -H 'Content-Type: application/x-www-form-urlencoded; charset=utf-8' \
     --data-urlencode 'title=Build Warnings' \
     --data-urlencode 'text=5' \
     --data-urlencode 'color=5041be'

👤 marginalia_nu
I found what I believe to be an example of AI being used to generate product images: https://www.marginalia.nu/jacket/

Feels like it would have been an interesting forum thread if there was any worthwhile forums left.


👤 cratermoon
For pure technical content: https://spectrum.ieee.org/contactless-ecg

I'm a contrarian, relative to HN, so on the technical/policy side: https://thebulletin.org/premium/2021-07/can-small-modular-re...


👤 a_e_k
https://github.com/a-e-k/canvas_ity

A tiny, single-header -like 2D rasterizer for C++

More detail -- This is an STB-style single-header C++ library with no dependencies beyond the standard C++ library. In about 2300 lines of 78-column code (not counting blanks or comments), or 1300 semicolons, it implements an API based on the basic W3C specification to draw 2D vector graphics into an image buffer:

    - Strokes and fills (with antialiasing and gamma-correct blending)
    - Linear and radial gradients
    - Patterns (with repeat modes and bi-cubic resampling)
    - Line caps and line joins (handling high curvature)
    - Dash patterns and dash offsets
    - Transforms
    - Lines, quadratic and cubic Beziers, arcs, and rectangles
    - Text (very basic, but does its own TTF font file parsing!)
    - Raster images (i.e., sprites)
    - Clipping (via masking)
    - Compositing modes (Porter-Duff)
    - Drop shadows with Gaussian blurs
I also uncovered a number of interesting browser quirks along the way with the HTML5 port of my testing suite.

👤 Something1234
https://www.henryschmale.org/2022/03/14/rsa.html

I made an RSA demonstration tool that got featured on hackaday. I never submitted it to HN, but I want to share it now.

It shows all the intermediate operations for doing RSA.


👤 jbandela1
Two web apps:

https://triviarex.com/ - A combination of trivia and find the word in the maze that you can play in real time and compete with your friends

https://www.trueduedate.com/ - Use millions of historical births to better estimate when your baby will actually be born.


👤 jv22222
Indie Founder Bootcamp - https://nugget.one/bootcamp

This is the information I wished had existed when I started out building side projects. Unlike other similar offerings it is not all ra-ra yayy go get it. It's more like a splash of cold water and very pragmatic.

The whole idea of "just start a side project it's easy" is very rarely true and was recently discussed in this thread: https://news.ycombinator.com/item?id=34103896


👤 asim
Nothing flopped, it just never reached breakout success the way I wanted. Most things I managed to get into the top 5 of the front page of HN over the span of 8 years, whether it was a project, blog posts or products but that's just a moment in time, a few hours even, it's not success. I wish my projects had reached the point that I could have carried on working on them. The latest M3O.com, was a serverless API gateway, that honestly I thought as a product was great but never achieved the thing I set out for it to be. It was also VC funded, so even more painful that it didn't work out.

Now I'm hacking on something new, not shared it yet but let's do it.

Mu is an operating system for Life. We're addicted to the internet, we're being used by tech companies for profit, we're stuck scrolling and clicking. I want to strip it all away and redefine what an operating system is for. I don't have all the answers yet, just an idea and feeling based on 10+ years of walking on this path. Feedback welcome.

https://mu.xyz


👤 gravitronic
https://sequencer.party

It is a modular audio/video/midi environment that supports Google Docs-like multiplayer, and supports third-party plugins (a format called Web Audio Modules 2 -- like VST or AU but for the web).

One of the parts I'm most proud of is the MIDI sequencer plugin, where you can script a custom MIDI sequencer in a few hundred lines of javascript:

https://editor.sequencer.party/sessions/0e87d610c4d08d750fb7...

Still a lot to do on it, but in it's current format I've had some fun jam sessions where people sequence my hardware synthesizers over MIDI, and listen to the result over twitch.

Longer-term it will have thousands of samples, many more WAM plugins built in and templates available in the public library, integration into freesound and archive.org

I've previously made two synth-related apps for iOS (Synth Modes and Spectrum synthesizer bundle).


👤 shubik22
https://twofergoofer.com/

A daily whimsical rhyming word game that uses generative AI. We’ve got a pretty dedicated base of users by this point through other channels but it’s never really taken off on HN. A great case for generative AI augmenting rather than replacing human creativity IMO :)


👤 maaaaattttt
Posted a game here I made a few months back: https://reach-100.com

It’s pretty hard. Some people have found solutions but even knowing how to solve it, it remains pretty hard to complete.

Hope you’ll enjoy it a second time :)


👤 dsrw
https://github.com/dsrw/enu - Enu is a 3d live programming environment for experimenting, making games, and learning to code. Kind of a Logo meets Minecraft type thing. It's written in Nim (using the Godot game engine), and also uses interpreted Nim for the in-world scripting.

I use it to teach kids to code. The released version is pretty rough and probably not fit for general consumption, but the next release (coming next month... I hope) is quite a lot better.

https://youtu.be/9e9sLsmsu_o is a demo making a simple survival game, and https://youtu.be/upg77dMBGDE is a now very outdated demo building towers and other simple structures. Thanks!


👤 iambateman
https://SimplifyRecipe.com

The people who use it, love it, but I’m still learning how to tell the story well.

The iOS shortcut instantly turns any recipe page into a consistent, usable cooking experience. I’m open to any feedback/ideas about how to tell that story better!


👤 rozenmd
I made (admittedly, the 200th) uptime monitoring service - https://onlineornot.com

I've been running the business for almost two years now (and it's now more of a status page that also monitors uptime), and it's still steadily growing!


👤 pgjones
I've three things :),

1. Quart, https://quart.palletsprojects.com, an ASGI (async/await) re-implementation of the Python web MicroFramework Flask. It is now maintained alongside, by the same people, as Flask.

2. Hypercorn, https://hypercorn.readthedocs.io, an ASGI/WSGI server that supports HTTP/1, HTTP/2, and HTTP/3.

3. My book "A Blueprint for Production-Ready Web Applications", which uses both of the above and shows a beginner how to build a full stack app (React frontend) running on AWS. See https://pgjones.dev/tozo/ for details, code, and link to the example app.


👤 mindcrime
FYI, the "second chance pool" might be of interest to you as well. See:

https://news.ycombinator.com/item?id=26998308


👤 ollifi
https://flopblock.com

I had an idea for a puzzle game and learned some game programming to try it out. Only made it to scratch my own curiosity and was postively surprised how fun the process was. I got some of my friends hooked but other than that of course absolutely no one saw it. World is full of casual puzzles.


👤 knoebber
https://dotfilehub.com

No JS, and easy to self host. It’s a place to put your dotfiles. It comes with a CLI loosely based on git for editing, versioning, pushing, and pulling.


👤 spacec0wb0y
https://looptube.xyz

A tool primarily for musicians to set repeating loops in YouTube videos and slow it down so they can practice and learn music by ear. They can then shift the loop forward/backward keeping the same loop interval to move around bars or phrases.


👤 cjlm
https://leaving.live - a site that tells you when other people leave the site

👤 TrianguloY
https://github.com/TrianguloY/UrlChecker

URLCheck, an Android app to analyze urls before opening them. With clear urls module, pattern checker module, and a few more.

It got a few points (29) when I posted the "it is now on f-droid" submission (https://news.ycombinator.com/item?id=30256326) but that was it. I've been updating the app since too.


👤 dom96
I created a browser extension to help transition to Mastodon[0]. If you are curious about Mastodon but don't yet feel like you can leave twitter.com then it's a great way to get started. Essentially it injects Mastodon posts into your Twitter timeline, so you can retain your existing Twitter following while getting exposed to Mastodon.

I'm working on a Firefox version right now as well.

[0] - https://chirper.picheta.me/


👤 jamalone
https://trycereal.com - Membership platform for creators that want their own site.

We made Cereal to help content creators find more independence in running their own content business, by centralizing their content on their own site and offering subscription/monetization.

It's been great, creators are able to monetize their customers without being on a 3rd party platform with ridiculous fees, or base their entire income on ads.


👤 Leftium
I tried sharing a couple of my web apps:

- HN the way I want to read it: https://hw.leftium.com/

- Source code: https://github.com/Leftium/hckrweb

- Weather forecast compared to last two days' weather: https://github.com/Leftium/ultra-weather#readme


👤 Weidenwalker
https://codeatlas.dev - codebase visualisation tool

It takes your git repo and generates a beautiful visual representation of the actual code that's in it. Sort of an alternative navigation tool (in addition to IDEs) for large codebases. You can run codeatlas as part of your CI with our Github Action (https://github.com/codeatlasHQ/codebase-visualizer-action).

We made this because grokking complex software projects is really difficult and we've found that a visual overview of what's in a codebase can be quite helpful to get started.

E.g. checkout https://codeatlas.dev/gallery/kubernetes/kubernetes for the generated visualisation of the Kubernetes Github repo!

We slowed down active development after our initial attempts at dissemination didn't really go anywhere (bragging about side projects on the internet, ugh), but would still love feedback on whether this is possibly useful to anyone else!

Note: The site works somewhat on mobile, but is much better on desktop!


👤 meeby
https://ipnetdb.com/ - information on the entire internet and its structure squashed down to a 130mb-odd mmdb file. Free for personal and open source use, updated weekly.

👤 Decabytes
I have a couple...

1. https://news.ycombinator.com/item?id=34507046 I made a port of Xixit to the X16 [video]

It's super interesting as someone who never lived through the 80s watching someone programming an 8 bit system. Even more impressive is he is making his own "modern" 8 bit system with off the shelf parts! I'm amazed that people can make complex software in assembly. I feel like my brain can't deal with the limited abstraction

For original content, I would shamelessly plug my post from a month ago titled "The Fascinating development of AI: From ChatGPT and DALL-E to Deepfakes Part 3"

2. https://www.deusinmachina.net/p/the-fascinating-development-...

I look at the 3 main technologies that are shaping the way we create content, in text, art, and video, and talk about how we got there. If I were writing it today I'd have to include a 4th part about VALL-E which came out right after I posted it. Maybe I'll write about that later.

Excited to see what everyone else posts!


👤 pncnmnp
I enjoy reading and writing about unusual data structures.

Recently, I wrote a blog post on KHyperLogLog (https://pncnmnp.github.io/blogs/khyperloglog.html), which is a data structure that estimates the privacy risks of very large databases.

If you're interested in this topic, I have also written about:

* Approximate Distance Oracles (https://pncnmnp.github.io/blogs/distance-oracles.html), and

* Spectral Bloom Filters (https://pncnmnp.github.io/blogs/spectral-bloom-filters.html)

I am currently working on more blog posts. Stanford's CS166 Suggested Project Topics (https://web.stanford.edu/class/cs166/handouts/090%20Suggeste...) are a huge inspiration.


👤 quesodev
https://hubdesk.io/. Create Github issues from emails and respond to them by starting a comment with "@reply". If you've got a side project, already use Github issues, and want to manage support emails the same as bugs. Easier and cheaper than signing up for a help desk SaaS.

👤 RobinL
Splink - a FOSS python library for probabilistic record linkage (fuzzy matching/entity resolution).

Splink is dramatically faster and works on much larger datasets than other open source libraries. I'm particularly proud of the fact we support multiple execution backends (at the moment, DuckDb Spark Athena and Sqlite, but additional adaptors are relatively straightforward to write).

We've had >4 million pypi downloads and it's used in government, academia and the private sector, often replacing extremely expensive proprietary solutions.

https://github.com/moj-analytical-services/splink

More info in blog posts here: https://www.robinlinacre.com/introducing_splink/ https://www.robinlinacre.com/splink_3/


👤 mateuszbuda
Here is my post from last year which didn’t get much attention on HN: https://news.ycombinator.com/item?id=33507260

It analyzes how much sugar is in the food based on nutrition facts data scraped from Walmart. It also shows relation between amount of sugar and rating.


👤 eternityforest
The only FOSS thing I've done that I think is really worth telling people about is KaithemAutomation, a home automation server in pure Python with a bit easier setup than Home Assistant, and some features aimed at commercial installs like room escape control, and some pretty decent network video recorder features.

https://github.com/EternityForest/KaithemAutomation

I put 6 years or so into it, and have used it on plenty of contract projects, but so far I don't think anyone else is interested.

Possibly because it's largely UI and CRUD over existing functionality, and there's not much particularly exciting to the hacker community, few interesting algorithms, it's not minimalist at all, etc.

Plus it has a lot of dependencies that might or might not exist outside of Debian, I've never looked into how it would run on the more DIY distros since I've never used them.


👤 remyp
It didn't flop, but awhile back I created https://findkismet.com to help introduce HN users to each other. We sure could use an influx of new users!

It's free and has cost me more to run than it has ever made in revenue.


👤 rglullis
A website to help you find companies and professionals that are compatible with your professional values and interests. Think OkCupid for your professional networking: https://cupid.careers

👤 seinecle
https://nocodefunctions.com

No registration needed. Free. Open source.

Web app offering click & point best-in-class data science functions for text mining and more.

Developed with love since 2021.

Purely in Java, front-end included - have a look!


👤 jono_wilson
I wrote a blog post about using job post data to predict startup fundraises: https://www.coolstartupjobs.com/blog/predicting-startup-fund.... You can predict a decent chunk (~25%) of fundraises with this approach!

That was originally for a job board, but job boards are very saturated. I've pivoted to a data newsletter for startup investors to identify companies that are fundraising before you read about them on techcrunch: https://startup-spotter.beehiiv.com/


👤 sideproject
https://www.newsy.co

My modern day take on domain parking. I used to have ~50 domains just sitting there doing nothing. Got sick of it. Didn't want to do ugly domain parking pages, but also didn't have time to develop them. I wanted something useful and something that still offered value.

Newsy creates an automated content aggregator (think of Reddit but automated) for your domain based on the keywords you describe. Over the years, a lot of features went in including newsletter, membership etc.

The best option for the users was providing ways to monetize - including bringing your own ads, charging for posts, paid membership etc.


👤 tdy721
https://fresh-strapi.deno.dev

And

https://videopoker.academy

Open source stuff, but I think Deno is less popular that I thought.


👤 recursivedoubts
idiomorph:

https://github.com/bigskysoftware/idiomorph

it's an updated take on the DOM morphing algorithm of morphdom, and it uses what i call "ID sets" to allow the morphing algorithm to "see" children in the DOM when making morphing decisions in the parents, which means you don't need to annotate the DOM with as many ids

here is a demo showing how it outperforms morphdom when ids are sparse/deep:

https://github.com/bigskysoftware/idiomorph#demo


👤 Brendinooo
I helped make GlitchTip (https://GlitchTip.com) and Passit (https://passit.io) at my last job.

The latter got started and ramped up too late to contend with Bitwarden, but I still use it and enjoy it (and I trust it, because I helped build it!)

The former is still very active, and a great solution if you like Sentry clients but think Sentry is too bloated / too hard to self-host / too far from its original open source ideals.


👤 jmoak3
This is not nearly as impressive (or useful) as the other posts, but when ChatGPT was released I developed this toy site almost entirely thru prompts.

http://goodvibeai.com/

I told it to gen a bunch of heartwarming messages, make a website to display them, now make it have a color gradient, now make the text fade in and out, now have the site have a button to play an audio file, etc etc etc

Spent more time hosting it via GitHub than making the site, really blew my mind in terms of the creation process.


👤 samhuk
I was a bit deflated when my submission about https://github.com/samhuk/exhibitor fell through the HN floor-boards.

Think Storybook but simpler, faster, better Typescript support, and uses esbuild by default.

...Is the aim. I'm the sole lead dev working on it at the moment up against the ~10-20 strong team who built most of Storybook, so it's a long road ahead, but it's growing into something I'm quite proud of and happy about.


👤 cactuscooler1
Good thread to see what other devs here are building!

https://collabmatch.io/

Working on this: a way for newsletters and blogs to grow through cross promos.

One of the hardest things imo for blogs/newsletters is getting more viewers over time. Was particularly hard for my Rust blog. I've been growing it fast through cross collabs, hence making this

If anyone's got a blog or newsletter they would like to grow faster, check it out. Happy to answer questions too


👤 5amdotis
My app Quiet: https://apps.apple.com/app/apple-store/id1441525727?pt=11941...

Quiet is a content blocker for Safari on iPhone, iPad, and Mac that lets you block out all of the unwanted distractions like Facebook, Twitter, etc...

On the Mac it also acts as a network filter.

I am looking into expending this app to more systems and browsers.


👤 untech
My friend from time to time makes some really cool project, then he posts it on HN and gets zero traction. His submission page [1] looks so ridiculous now, that I joke that his next submission would look like “Show HN: I created a true AGI running on my analog wristwatch (3 points, 0 comments)”.

[1] https://news.ycombinator.com/submitted?id=borzunov


👤 jaltekruse
https://freemathapp.org

My Open source site where you can record math work like you would write it on paper. Uses a quick copy and edit workflow to save some of the repetitive writing out expressions involved in solving many types of problems when you show all of your work on paper. Also has tools for a teacher to grade a class full of assignments with similar work shown in groups.


👤 sthatipamala
I'm a cohost of The Technium podcast. Please check us out!

It's a weekly podcast discussing the edge of technology and what we can build with it. Each week, my cohost Wil (https://news.ycombinator.com/user?id=iamwil) and I introduce a big idea in the future of computing and extrapolate the effect it will have on the world.

Wil and I started this show because we found that most tech podcasts were focused on career development or Big Tech drama. We wanted a show where we could be optimistic and excited about the future of software, especially things which were not mainstream.

Some of my favorite episodes:

- Smalltalk : https://www.youtube.com/watch?v=FZNqOFAhM8o

- Zig: https://www.youtube.com/watch?v=wie5YuzoUQI

- Generative AI models: https://www.youtube.com/watch?v=iOy-v2ah0Ms

We're in all the usual places:

- Youtube: https://www.youtube.com/@techniumpod

- WEBSITE: https://technium.transistor.fm/

- SPOTIFY: https://open.spotify.com/show/1ljTFMgTeRQJ69KRWAkBy7


👤 otsaloma
Data frames for Python (and some other stuff):

https://github.com/otsaloma/dataiter

Comparison against dplyr and Pandas for a quick overview:

https://dataiter.readthedocs.io/en/latest/_static/comparison...


👤 JPLeRouzic
A few years ago (~2017) I created a tool in the biomedical domain to design peptide vaccines.

https://www.padiracinnovation.org/en/peptide_PoC/

Peptide vaccines are not very efficient, but they can be easily designed to address a large number of diseases. Basically I would like that a pharmacist could use this tool with just 2 days training.

How it works? If you know that a certain protein is produced by a certain type of malign cell and only by those cells, a peptide vaccine will cause the human immune system to try to eliminate the cells that produce that protein.

The most obvious use is in the case of some cancers cells which produce a certain protein. These proteins are named "tumor specific antigen". It is an antigenic substance which is produced only by tumor cells. Tumor antigens are useful tumor markers in identifying tumor cells that are targeted by the immune system when it is primed by a peptide vaccine.

Another interesting thing is that cancerous cells evolves quickly to try to evade therapies, here it's very easy to design a new peptide vaccine, for example every week.

As the name hints at, it's a proof of concept, I designed several variations. A good thing is that you don't need a lot of CPU power to run it. I use a cheap VPS from OVH.

I have written a large documentation here:

https://www.padiracinnovation.org/en/peptide_PoC/doc/documen...

(Access is limited to one per day per IP)


👤 edrx
The thing below - one of the links at the bottom goes to its "Show HN" page, where people can check that only received 4 points. Many people discuss REPL tricks here, so I didn't expect it to flop so miserably...

Show HN: Eev and TikZ, or: how to learn TikZ using a REPL (twu.net)

Hi all, I made a video that at first sight is about a way to use REPLs to explore TikZ - and TikZ is a huge (La)TeX package for drawing graphics...

At second sight that video is about a series of tricks for using REPLs in Emacs, and TikZ is just an excuse to present them. As far as I know those tricks are very unusual; they implement a kind of "meta-REPL" that controls other REPLs, and they do that in a way that is much simpler, and much easier to hack, than Org's code blocks and than the cells in Jupyter notebooks.

The page has lots of screenshots and links, and it has instructions for downloading the video and its subtitles, and for reading the subtitles in plain text. I tried to make everything as accessible as possible for the people who just want to watch the the first two parts of the video - "Introduction" and "Trying it" - in super-high speed.

I'm especially interested in pointers to related work. Cheers, have fun, etc! =)

https://news.ycombinator.com/item?id=33568184 (Show HN page)

http://angg.twu.net/SUBTITLES/2022-eev-tikz.lua.html (Subtitles of the video)

http://angg.twu.net/eev-tikz.html (page)


👤 joshbetz
Wire RSS Reader https://apps.apple.com/us/app/wire-rss-reader/id1438331258

An RSS reader that caches webpages locally, so you can read the article in a webview with native-like performance instead of just that text that comes through in the RSS feed.


👤 eeue56
Mine is Derw: https://www.derw-lang.com/

It's a programming language I created after frustration with TypeScript and Elm, in order to write better type-safe code in a functional manner. There's seemless interop between Derw and TS/JS, making it more useful for working with TS codebases than Elm. It's quite production ready though there are a few things left to implement, but so far there's features like:

- A formatter

- A test framework

- A benchmarking framework

- A web framework for writing apps

- VScode extensions

- Type checking

- Output generation for TS, JS, English, Derw and Elm

- A Gitbook: https://docs.derw-lang.com/

I also have a very active blog where I write about Derw or programming in general: https://derw.substack.com/ and the Twitter for staying up to date is https://twitter.com/derwlang


👤 motiw
There are two such projects (both are not active anymore) that I was hoping at the time to get some feedback, good or bad

1. Centask - flexible task manager fully integrated with gmail (I am still using it)

Original post - https://news.ycombinator.com/item?id=21458907

Best video explainer I could came up with - https://youtu.be/RBBPbIkgWUU

2. Postwaves - social media with distributed moderation, I lately realize the algorithm is very similar to tiktok, except that for tiktok video's you vote by how long you watch a video and not by actual vote (much harder to get)

Original post - https://news.ycombinator.com/item?id=9461328

Video explainer - https://youtu.be/mtZKUF6lyyg

Let the crickets be heard (I know I am bad merketer)


👤 folli
It flopped on Show HN, but got some minor traction in a comment:

https://CubeTrek.com visualize your GPS Tracks in 3D. You upload your skiing, hiking, running GPS files and the web app creates 3D topographic models, calculates your monthly totals, automatically compares similar activities... Give it a try.


👤 Ndymium
As a hobby project, I run Code::Stats[0]. It's a website that tracks what languages you are programming in (via editor plugins) and gives you a profile page with various statistics[1]. It's ad-supported (with EthicalAds) to deal with server costs, or you can buy a support account to remove ads. The site and all the editor plugins are open source, the site is written in Elixir (but I'm looking at integrating Gleam in the future).

Currently it's completely a free time thing; I make negative money on it. My dream would be to have enough paying users to work on it part time (even a little), but that's far away and may never happen. But I like using it myself so I'll keep running it for the foreseeable future.

[0] https://codestats.net/

[1] https://codestats.net/users/Nicd


👤 __warlord__
An analogy series I'm writing about computer networks, the idea is to help people introduce computer networks to people in a friendly way. https://memo.mx/posts/understanding-computer-networks-by-ana...

👤 donbrae
A puzzle game: https://www.tripodsgame.com.

Wrote a blog post with some background and technical details too: https://www.jamieonkeys.dev/posts/tripods-html5-game.


👤 oleksii88
For the past three years I have been working on a desktop app for creating step by step tutorials, guides, documentation, walkthroughs etc. It captures your workflows while you work and outputs it in one of 7 formats, such as pdf, doc, json, markdown and more.

https://folge.me


👤 voberoi
I wrote this post about how I made atariemailarchive.org: https://vikramoberoi.com/how-i-made-atariemailarchive-org/.

The whole project was fun, but I think the story behind it is neat too.


👤 abadger9
https://lite.markee.io/?utm_source=startups.fyi

I've been learning video streaming tech for the last year (ffmpeg, webrtc, all the great videos available of SF Video Technology - https://www.youtube.com/@SFVideoTechnology) and I haven't been able to come up with a remotely interesting product idea. When I came across this, I thought it was the most clever SaaS video tech I've seen in a while. I'm probably dating myself but I'm certain TokBox had something similar 10 years ago. In whichever flavor markee is doing this, it was a refreshing idea to see.

I have no affiliation to this product or engineering team.


👤 vapidness_is
https://afterplay.io

A web-based retro gaming platform


👤 bovermyer
I build https://ironarachne.com in my free time.

It's a site full of content generators for tabletop role-playing games. Some are more technically complex than others - the GLSL-based planet generator, for example.


👤 smacke
https://github.com/ipyflow/ipyflow

IPyflow is a new Python kernel for JupyterLab that understands how variables and cells depend on each other, making it easier to reason about notebook state. It adds opt-in reactivity, so that pressing ctrl+shift+enter triggers execution of all cells that depend (recursively) on the current cell. Furthermore, with its `code` function, you can see exactly what code is needed to reproduce a given variable. I started working on it after watching the famous talk "I Don't Like Notebooks" by Joel Grus, and, anecdotally, I like notebooks just a little more when I use this kernel :)


👤 barbariangrunge
I have a Substack about books and writing. Topics include rhythm, suspension of disbelief, lessons from reading over a hundred short stories, as well as the analysis of several novels.

There is an occasional short story or piece of serialized fiction as well, usually horror, fantasy, supernatural, literary, or “other.”

https://barbariangrunge.substack.com/

Eg, an analysis of Less Than Zero by the author of American Psycho https://barbariangrunge.substack.com/p/notes-on-less-than-ze...


👤 jason_zig
https://www.zigpoll.com

I don't think I made it clear the last couple of submits that it's a purely solo effort which upon reflection is one of the more interesting things about it!


👤 LikeBeans
I made a Sudoku game last month for fun:

https://kjabr.github.io/Sudoku/

Just wanted to see if I could figure out how to generate a working Sudoku board on the fly quickly. My target was under 1 second. After the board is built where all the numbers are random, then the code removes numbers also randomly in order to play the game. That randomness turned out to be a nice little challenge :-)

It seems to work okay for the most part. Myself and other family members play it often now.. which is really cool. There are no scores. If you guess wrong there is no penalty. Just low key, low stress game.


👤 Yahivin
Civet: a new programming language that transpiles to TypeScript.

Some have called it the ghost of CoffeeScript.

I think it should do a lot better on HN now that it has a better website with tons of examples.

https://civet.dev


👤 mike_hearn
Does anyone know why there are so many dead posts on /shownew? Maybe a fifth of all posts end up dead for no obvious reason. They seem just like any other Show HN thread, and nothing is clearly wrong with the posting accounts either.

👤 bluelightning2k
https://demotime.com - the best way to follow-up after a software demo.

Automatically edits each meeting recording into highlight-reel video.

E.g. it sends a 90 second highlight-reel after a 40 min demo.


👤 rbalint
https://github.com/firebuild/firebuild : A caching build accelerator like ccache, but for any compiler or random script.

There is a short intro: https://balintreczey.hu/blog/how-to-speed-up-your-next-build...

It did not get to the first page in the first round: https://news.ycombinator.com/item?id=34355759


👤 doersino
A blog post on how to make your Bash history more useful: https://excessivelyadequate.com/posts/history.html

👤 mariusor
https://littr.me a link aggregator and discussion platform based on ActivityPub.

It's still in progress, but the basic functionality that one would expect should be there.


👤 greenforecast
https://greenforecast.au

You can halve[0] the carbon footprint of your electricity use (eg EV charging, heating/cooling) simply by using at the right time of day. GreenForecast.au uses simple-but-effective ML to predict the next 7 days of Greenness with good temporal stability, allowing you to plan loads for you or your business.

It also predicts wholesale power prices across that time.

I would be pleased to provide API access.

[0] Depending on state, time of year, etc. Scroll down for details in Q&A. Where I live, yesterday's worst time was 85% fossil fuels and best was 40%.


👤 robmerki
I wrote a book about adult ADHD that has been well received by many HN oriented folks, but never quite took off as its own post.

Here: https://adhdpro.xyz/


👤 jorf
https://store.steampowered.com/app/656280/Fractus/

Simple arcade-style game. I ran out of steam developing this. The gameplay and UI need work, but I thought the graphics were interesting. All the units are rendered as Mandelbrot and Julia sets on the GPU. Parameters are varied in real time to make the fractals look like they are moving and swimming. Another fun thing is the audio effects were made with an electric guitar. Thanks for reading :D


👤 achandlerwhite
Finbuckle:

A multitenant library for .NET Core:

https://www.finbuckle.com/MultiTenant

In the .NET Core 2 era the older multitenant libraries like Saaskit ceased working with changes to the ASP.NET Core runtime. Finbuckle.MultiTenant fills this gap and isn't limited to ASP.NET Core use cases. It emphasizes the Options pattern instead of separate app pipelines per tenant. Also includes components for per-tenant data isolation with EF Core without having to pollute your code with a bunch of "where" conditions.


👤 martongeda
https://destroycovidgame.com/ - a quarantine friendly cooperative board game I developed with a friend of mine

The idea was to make a board game you can play with your friends during the quarantine period even if you are not in the same place. Unfortunately it only works with 4 players and because it is an "escape room" like game you can only play it once. We developed an app for it in Flutter. It was the most fun project I have ever worked on, too bad nobody wanted to buy it :)


👤 thundergolfer
I think these are a couple of cool serverless ML apps, recently built with new open-source models:

- Trascribe any podcast in 1 minute with OpenAI Whisperhttps://modal-labs--whisper-pod-transcriber-fastapi-app.moda...

- Generate Pokémon cards with fine-tuned StableDiffusionhttps://modal-labs-example-text-to-pokemon-fastapi-app.modal...


👤 cc101
https://apps.apple.com/us/app/epiphany-workflow-ii/id1508000... ADHD is a problem for many people in high tech. Epiphany Workflow is a mac program for very bright college students who are in academic trouble caused by ADHD. E provides help organizing and sustaining a directed academic effort. It's particularly good for organizing research papers and compiling class notes into a study guide.

👤 schappim
https://github.com/schappim/macOCR - macOCR is a command line app that enables you to turn any text on your screen into text on your clipboard. When you envoke the ocr command, a "screen capture" like cursor is shown. Any text within the bounds will be converted to text.

You could invoke the app using the likes of Alfred.app, LaunchBar, Hammerspoon, Quicksilver, Raycast etc.

I like to pump the content into an OpenAI large language model (for example, grabbing receipt data).


👤 bdominy
I posted about my app Neucards that lets you share contact info with others using end-to-end encryption to protect your privacy. With data breaches, robocalls, identity theft, and scams on the rise, giving your contact details out should be under your control and even the people facilitating the exchange should not have access. Available on iOS at https://apps.apple.com/us/app/neucards/id1599851881

👤 rsdbdr203
https://log-store.com - Going for a low-cost alternative to Splunk. Everyone seems to love Splunk, except for the price. My goal is to replicate 75% or so of the most-used features, but at a dramatically reduced price (currently free). I tried asking on here what those features are, but it flopped: https://news.ycombinator.com/item?id=34412176

👤 typingmonkey
EventReduce - An algorithm to optimize database queries that run multiple times

https://github.com/pubkey/event-reduce


👤 yboris
Video Hub App - https://videohubapp.com/ - Browse, search, and organize your videos (Win, Mac, Linux).

I sell it for $5.00 but $3.50 goes to the cost-effective charity Against Malaria Foundation. I recommend more people give to cost-effective charities (see GiveWell.org for info).

It's also MIT open source: https://github.com/whyboris/Video-Hub-App


👤 dnadler
I made a retirement simulator: https://thetortoise.io

I was frustrated by the simplicity black-box style of other tools, so I built this as a hobby and then decided to publish it.

I think The Tortoise gives users the most control over the simulation, though it may have a bit of a steep learning curve. It also has the ability to quickly compare different scenarios, and is able to condense the results into some fairly easy to digest charts.


👤 veyh
AutoPTT [1] lets you use voice activation instead of push-to-talk in games and apps where voice activation is not officially supported. I posted about it a few times [2] but I guess it's a bit too niche.

[1] https://wibe.gumroad.com/l/autoptt

[2] https://news.ycombinator.com/item?id=32566011


👤 thepra
I tried with my web app https://collanon.com and didn't get much traction on HN(maybe bad timing).

It's on its 3rd year of development/improvement and it's about making and sharing easily private discussions and confrontations(1vs1) with temporary/total anonymity in mind without relying on any big tech service or cloud providers to keep the data more private.

I'm on a path to a big upgrade soon too.


👤 css

👤 a9ex
https://visits.cloud - “Analytics for Cloudflare” is a native app for iPhone, iPad & Mac to monitor your Cloudflare Analytics data wherever you go.

Download on the App Store: https://apps.apple.com/us/app/analytics-for-cloudflare/id166...


👤 d--b
https://www.jigdev.com

It’s a reactive computing canvas to build internal reports / apps.

I was surprised nobody gave a shit!


👤 lgl
I've launched a Windows app on the Microsoft Store a bit over a month ago. Didn't get any traction here (as windows closed source apps rarely do) but feel free to check it out at https://lumotray.com

I have already got a few downloads from the MS store though. "Advertising" was basically just a post here, a couple of posts on reddit and some links sent to friends.


👤 pythops
1- Minimalist Nvidia jetson image https://github.com/pythops/jetson-nano-image

2- Open vision API https://github.com/openvisionapi

3- Ask me anaything GPT3 https://github.com/pythops/amagpt3


👤 nodablock
https://nodablock.com/nft/ - An "NFT visualiser" to see how NFT Tokens are transferred between wallets.

Can see a contract activity, but also see if some weird interactions are going on.On the side it creates a dashboard with some statistics. Probably not ready for prime yet, but my chance to test the idea and get feedbacks


👤 XCSme
https://uxwizz.com - Self-hosted analytics platform (like a self-hosted Hotjar + Google Analytics combined)

I initially made it for webmasters to use it, but it seems more popular within web agencies (to offer it to their own clients). In both cases, it at least achieves the goal of reducing data centralization and data sharing with 3rd parties.


👤 Queue29
https://github.com/shoenig/donutdns

I wanted a no-nonsense single-binary alternative to pi-hole (based on CoreDNS).

Been using this as my home DNS server for a year now without issue. Recently added support for reading a directory of block lists, so now it's easy to keep things organized in blocking sites with huge numbers of domains.


👤 julosflb
https://www.d2xlab.com/app

I built an interactive viewer/editor for time series. that can load data from text files.

In my previous job, I spent a lot of time dealing with time series collected from various simulations and measurements, so I wrote a desktop app. When I quit I was missing the tool so I partially rebuilt it in the browser!


👤 epynt88
I've created VegLog, an iOS app that helps me track my vegetable growing. I wanted an app that would let me compare my harvest over time, and look for patterns in growing conditions to help me maximise growth.

https://apps.apple.com/us/app/veglog/id6444013681


👤 msadowski
I’ve tried sharing my robotics newsletter (https://www.weeklyrobotics.com/) on HN on numerous occasions and sometimes content that I found interesting but it never seemed to get too much attention. I figured I’m either unlucky or the community is not that interested in robotics.

👤 worldmerge
[link redacted]

MIT Reality Hack 2023: Team Amadeus

Amadeus is an interactive application that teaches you about waveforms via a repurposed Guitar Hero controller and an ESP32 connected to Unity via Bluetooth. Looking into the VR glasses, the Quest 2, you are immersed in a sea of particles visualizing the transformations of modulated waveforms (made with Csound).

This was my first Reality Hack and I loved it.


👤 andy99
Skills and experience testing for AI models

Explanation: http://marble.onl/managing_ml.html

Code: https://github.com/rbitr/pytkml

I didn't explain it well; this is an area that's becoming increasingly important


👤 caspg
I’m developing https://travelermap.net with my brother. It’s a map of National Parks all over the world and more detailed map with other kinds of parks in US.

We started adding photos and more content to US parks but planing to cover more countries.

Built with Elixir/Phoenix, Typescript and Maplibre.


👤 tumidpandora
https://www.bravoboard.xyz/

Free alternative to Kudoboard


👤 johncs
A small little toy: https://particles.johncs.com

👤 gmac
An annotated live TLS 1.3 connection, via a proof-of-concept pure TypeScript (SubtleCrypto) TLS 1.3 client.

https://subtls.pages.dev/ and https://github.com/jawj/subtls


👤 alooPotato
https://www.streak.com/streak-share-email

Streak Share - let's you share a live link to any email thread in your inbox. Useful to share with others without forwarding, embedding into google docs/notion or sharing on slack.


👤 rambambram
https://www.heyhomepage.com

Create and design your own website. No coding skills required. With a built-in webshop, blog, and forms. Also comes with cool social functions based on a microblog/timeline, an RSS reader and webring/blogroll.


👤 tumidpandora
https://presbot.com/

Lead generation focused chatbot for your website. Takes a min to setup, no conversational flow building required. Performs way better than traditional lead-capture forms by asking targeted and dynamic questions.


👤 bbauman
PlaylistAI: https://playlistai.app/

DALL-E/ChatGPT for music playlists on Spotify and Apple Music.

Enter a prompt like "chill electronic coding music" or upload a photo of a music festival lineup and it'll make a playlist


👤 Mikscho
https://prinillus.ch/ A crypto webtrader

you first have to register at either coinbase, kraken or binance. Then, with the api, the trader can automate the trades for you. You only have to specify a strategy with an asset.


👤 valryon
Flat eye (PC) https://store.steampowered.com/app/1358840/Flat_Eye/

A video game about technology and its impact on our lives. Very inspired by stories from here.


👤 DanghisKhan
If you enjoy remembering song lyrics like I do, you might enjoy my browser game I created a few years back: https://thatsyourjam.com.

I've been recently working again to get the database fully up to date with recent songs.


👤 formkiqmike
https://github.com/formkiq/formkiq-core

API first designed document management system that deploys to AWS. Makes it easy to run standalone or to add Document Management functionality to existing applications.


👤 mydriasis
https://vidovi.ch/assets/flashcards.html

Learn Yugoslavian with flashcards for free! Really, free! This is something I threw together pretty quickly, and I'd love to get some feedback.


👤 tmilard
Almost gave up this tool to build FPS immersion visits. From photos. In 2021-22 had only little traction.

https://free-visit.net

https://youtu.be/VHSAfiXK_s4


👤 t0mislav
https://randomcountrygenerator.com/

Sorry HN, nothing sophisticated or fancy. Life is really busy last few years (family :), day job, building house).

Next time it will be some great tool from me, I promise. :)


👤 jerrybrito
https://derby.ist - Up-to-date match calendar of football (soccer) derbies and rivalries

Super simple and only interesting to soccer fans, but I find it very useful and I haven’t found anything else like it out there.


👤 nutbutter
My friend and I made a product mapping tool with Square inventory integration. We just introduced a beta for service area providers to outline their service bounds, (plumbers, lawyers, etc).

https://boldmapper.com


👤 JamoneK
https://hypeevents.app/ - work in progress but a social event search engine.

Our goal is to find, and display events based on the user’s interest regardless of the platform the event is hosted on.


👤 eMPee584
My Ask HN: How could Chile implement Cybersyn in 2022? https://news.ycombinator.com/item?id=31703552 You know, cybernetics of production & logistics..

👤 webdevfe
Having a difficult time marketing my tool since launching it last year. It’s a Feedback widget for any site and free for now. Why not to try?… http://zelement.com/feedback

👤 nvln
I made an infinite canvas specialized editor for poets because I was frustrated with the painful workflow for submitting poetry to magazines: https://koodpad.com/venba.

👤 ushercakes
https://www.contractrates.fyi/

Crowdsourced rate sharing, like Glassdoor or levels.fyi, but for freelancers.

Launch was meh, but fortunately have been getting a lot of usage through other channels.


👤 conschy
https://globemallow.io/

Globemallow - Sustainable web development and design best practice reports.

Analytics & Ad Blocker - A simple to understand analytics & 3rd party advertisements blocker.


👤 dekervin
Not sure it deserves a second chance but since we are already here: https://datum.alwaysdata.net

"Quora" meets "Our World In Data" meets "hypothes.is" .


👤 aabbcc1241
ts-liveview: https://github.com/beenotung/ts-liveview

A lightweight implementation of the “fullstack liveview” in Typescript. You can do initial contentful rendering and realtime DOM updates from the server over http and websocket with only 6.5K of js minified (22x smaller than react, 2.6x smaller than svelte).

It was inspired from the Phoenix Liveview but evolved to adopt TSX with explicit DOM updates with querySelectors (without vdom diff-ing).

Unlike most js frameworks, it is a starter template, not a package. So you’re free to modify and extend / trim it to better fit your need.


👤 a_vanderbilt
I made an app that stops Macs from bridging wired and wireless networks, preventing attackers from moving laterally.

https://vandersecurity.com/bridgeblock


👤 monological
https://prodbump.com/ - sell digital products, memberships and more in less than one minute.

You keep 99% of sales after payment processing fees. No monthly fees either.


👤 lawxls
https://github.com/lawxls/HackerNews-Alerts-Bot - telegram bot for keyword alerts from Hacker News (comments, stories or both)

👤 samsquire
I journal my computer and startup ideas in the open since 2013.

My first batch of ideas hit the front page on HN

https://GitHub.com/samsquire/ideas

Since then I wrote 3 more editions

https://GitHub.com/samsquire/ideas2 https://GitHub.com/samsquire/ideas3 https://GitHub.com/samsquire/ideas4

These all flopped since I triggered the self promotion filter

I had a try at thinking of business ideas https://GitHub.com/samsquire/startups

Ideas4 is what I'm working on today. I enjoy ideas4 more than the first edition.


👤 babuskov
My niche machine code / assembly language hacking game:

https://roguebit.bigosaur.com

I thought it would appeal to programmers and hackers here, but it never got any attention.


👤 jeadie
A simple, understandable text editor. No dependencies, easy to understand and tweak yourself (in Golang). https://github.com/Jeadie/gram

👤 atum47
https://github.com/victorqribeiro/customFilter

An image editor that lets you run custom filters and blend equations to an stack of images.


👤 bbsimonbb
QueryFirst. I'm seething with the injustice. Use SQL as a language in C# projects. https://www.youtube.com/watch?v=QkJDccYSw8A

👤 efortis
UI Drafter

Prototyping for domain experts.

No Code. No Graphic Design.

https://uidrafter.com

Live version: https://free.uidrafter.com


👤 barefeg
We recently released GPT powered features for our research assistant https://www.youtube.com/watch?v=FcqL5l8Illw

👤 berni_dev
A friend of mine built https://capacities.io/ - an awesome personal knowledge management and note taking tool

👤 agjmills
https://bauns.net A dashboard for SES reporting, giving fine grained metrics rather than just a failure %

👤 dotneter
https://ptol.github.io/hexyzland/ - creative coding with hexagons

👤 webdevfe
http://zelement.com/feedback - visitor feedback + stats + reports. Free for now.

👤 Sai_
I made (am making) an email inbox for your entire domain - https://pretzelbox.cc. Great for solopreneurs and small teams who need use case specific emails like leads@domain or support@domain but don’t want to keep buying email inboxes.

Here are a few cool things you can do with it -

1. Reply as anyone @your-domain

2. Comes with a built-in blog you can post to from your email much like world.hey.com

3. You can share emails as hyperlinks - great for sending reminders to people on WhatsApp/Messenger to tell them to take some action on an older email and to bookmark useful emails

I have a few Chartered Accountant and small law firms practices using it but I thought it would take off in a much bigger way in the indie hacker community than it actually did.


👤 tmountain
A UCI chess client for the terminal (uchess).

https://github.com/tmountain/uchess


👤 dhuan_
https://github.com/dhuan/mock

Language-agnostic API mocking and testing utility


👤 wagslane
I've had some blog posts make it, but I don't think my product ever did:

https://boot.dev



👤 ademcan
canSnippet (cansnippet.com), an advanced snippet/clipboard manager. I sold a dozen copies of the app without any marketing and then moved away from it. It's a tool I still use every day and feel it's a pity that I couldn't put more effort on it as I believe it has a huge potential!

👤 nik5
kindle-send

https://github.com/nikhil1raghav/kindle-send

CLI tool to send blogs, bundle of blogs or ebooks to your reader. Not just kindle.


👤 pyrrhotech
https://grizzlybulls.com

It's a freemium subscription service to the algorithmic trading models / hedging systems I've been developing over the last few years. 2022 performance:

SPX (benchmark): -18.77%

Free models:

TA - Mean Reversion Basic (https://grizzlybulls.com/models/ta-mr-basic): -9.93%

TA - Trend Basic (https://grizzlybulls.com/models/ta-trend-basic): -17.79%

Vix Basic (https://grizzlybulls.com/models/vix-basic): -20.45%

Premium models:

Vix Advanced (https://grizzlybulls.com/models/vix-advanced): -17.9%

Vix - TA Advanced (https://grizzlybulls.com/models/vix-ta-advanced): -16.14%

Vix - TA Macro Advanced (https://grizzlybulls.com/models/vix-ta-macro-advanced): -3.15%

Vix - TA Macro Monetary Policy Extreme (https://grizzlybulls.com/models/vix-ta-macro-mp-extreme): +0.56%

The models use no leverage and are always either 100% long the S&P 500 or 0% long (in cash). These are not HFT, averaging one trade per 2-4 weeks on average depending on the model. You can see active signals for the free models by checking the site frequently, or if you subscribe to one of the premium plans you'll get email or text notifications as well.

In 2022, all but one of the models beat the SPX on an absolute performance basis, some substantially so with the top model returning positive absolute returns with a +19.33% outperformance gap. However, it was still a much worse year than 2021 as the unprecedented reversal of Fed policy in response to 40 year high inflation proved to make a challenging backdrop.

Full 2022 performance report: https://grizzlybulls.com/blog/models-performance-update-q4-2...

My take on the EMH, in short I believe in the 95% EMH, but that 5% makes all the difference and perfectly explains how legendary traders like RenTech, TwoSigma and David E Shaw have been able to outperform the market consistently for decades: https://grizzlybulls.com/blog/time-in-the-market-vs-timing-t...


👤 jpe90
a fast alternative to bat for syntax highlighting in the command line (eg for fzf preview window)

https://github.com/jpe90/clp


👤 barbs
About 8 years ago I created a GIMP plugin to read Terry Davis' (creator of TempleOS) custom image files to convert them to bitmaps, and vice-versa. I didn't know anything about the .bmp file format, or how to create a GIMP plugin. I wrote a blog post detailing the creation and discovery process. I contacted Terry Davis throughout to ask for help and feedback, and he was helpful and appreciative. It was interesting and rewarding to interact with him and learn a bit about his operating system. I was sad when he passed.

https://michaelbarlow.com.au/gra-plugin/


👤 lee101
https://text-generator.io an API compatible alternative to OpenAI GPT, it's more affordable and also researches linked web pages and analyses image content, also reads images with text in them so it can do extra things like explain about receipts or how people respond to emojis or images etc.

It also does speech to text over 8x cheaper than Google Cloud, there's a nice free teir, I'm surprised more people aren't taking advantage of it

OpenAI is doing well recently so the next step is to do more things they don't do and let people self Host etc.