less, an improved version of morebash, Bourne Again SHell, an improved version of the Bourne Shell (see: Bash)- GIMP, the GNU Image Manipulation Program
- GNU, recursive initialism for GNU's not Unix
- MySQL and its spiritual successor MariaDB, named after the creators daughters
- VSCodium, which is to VS Code what Chromium is to Chrome
- Iceweasel, a fork of Firefox
dnf, DaNdiFied YUM, an improved version of YUM- Alpaca, a LLM based on LLaMA
- Dalai, an installer and interface for LLaMA
- APL, A Programming Language
- Lebab, a transpiler from ES5 code to ES6/ES7, the opposite of Babel
bat, an advanced version of cat- Unix, a play on words of a prior system called Multics
- Rubocop, the linter for Ruby