- Name: compsize
- Homepage: https://github.com/kilobyte/compsize
- Why: This is a utility for showing compression information of Btrfs filesystems. There is (currently) no alternative.
- Open source: yes, licensed under under the GPLv2 or any later version.
- Users: anyone using a compressed Btrfs filesystem.
- Tarball: https://github.com/kilobyte/compsize/archive/v1.5.tar.gz
I'm willing to maintain this, and have a working local package.