A Git-compatible VCS that is both simple and powerful

PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement

Interactive JSON filter using jq

Painless compression and decompression in the terminal

Interactive, file-level Time Machine-like tool for ZFS/btrfs/nilfs2 (and even Time Machine and Restic backups!)

Mailing list style code reviews for github

git remote helper to interact with mercurial repositories

Bridge for synchronizing email and tags between JMAP and notmuch