emacs -- Well, heck its emacs! git -- Change history is your friend, and you get out what you put in (hashes verify data against corruption) tinc -- There Is

emacs -- Well, heck its emacs! git -- Change history is your friend, and you get out what you put in (hashes verify data against corruption) tinc -- There Is No Cabal: Mesh VPN lets you build a VPN across diverse environments including different clouds.