What HN-like forum software is substack using?

Question

I was recently introduced to substack[1] and was immediately impressed by the threaded discussion software that they are using.Here is an example:https://frenchpress.thedispatch.com/p/politics-is-a-jealous-god/commentsWhat forum software are they using ? Is it homegrown/in-house ? Other than lobste.rs, it is the nicest clone of HN I have ever seen ...[1] https://substack.com/

cjbest · Accepted Answer

One of the founders of Substack here.It's built in house. Thank you for the kind words. I'm not sure I'd call it a clone of HN, but that's definitely one of our influences :)

tjansen · Answer

Check their jobs page: "We use: Node, Express, React, Postgres, Heroku"https://substack.breezy.hr/p/395577ab518c-full-stack-enginee...

ofrzeta · Answer

What I can see is not that different from Disqus that has a free alternative called Isso https://posativ.org/isso/

lykr0n · Answer

My money is on in-house.Express based webapp on Heroku. If it's a plugin, I would start looking in NPM

sk221 · Answer

It looks like it's built in house.

What HN-like forum software is substack using?

One of the founders of Substack here.
It's built in house. Thank you for the kind words. I'm not sure I'd call it a clone of HN, but that's definitely one of our influences :)

Check their jobs page: "We use: Node, Express, React, Postgres, Heroku"
https://substack.breezy.hr/p/395577ab518c-full-stack-enginee...

What I can see is not that different from Disqus that has a free alternative called Isso https://posativ.org/isso/

My money is on in-house.
Express based webapp on Heroku. If it's a plugin, I would start looking in NPM

It looks like it's built in house.