What's the best (free) app to backup files to Amazon Glacier?

There's a plugin for http://duplicity.nongnu.org/ , and https://www.duplicati.com/

I mean, if you just need to store things directly on Glacier, a "free app" is to just use the S3 console. Make a bucket, hit the "upload" button, and in the properties select "glacier" as the storage format.

[1] https://youtu.be/km3GsOk_ukw?t=738

---- EDIT

Sorry, I just realized that Arq is for recurring backup. The S3 console won't do that obviously. The AWS API is very easy to use, you probably could just build your own pretty easily with just polling the folder occasionally.

I use `s3cmd` or `s4cmd` to transfer files to s3 from the terminal. Its easy to set it up as a shell script or a cron job.

Then, I have a lifecycle rule on my s3 bucket that transfers all files to glacier.

Works perfectly for my use-case.

After the latest bersion of Arq destroyed my backups, I moved to the AWS CLI and S3 sync. I have buckets in 2 regions at negligible cost. It's not automatic unless you script something, but it works.

You just configure Glacier lifecycle rules via the console.

You could use AWS API to save all data to Amazon Glacier https://couponforless.com/store/amazon.com

Off topic but from Argentina, transfer to S3 is incredibly slow in all regions I've tried thus far. Does anyone have a suggestion of the best choices for fast speeds from down here?