GNU Mes — Full Source Bootstrapping for GNU/Linux distributions.

GNU LilyPond — Free Music Software for creating beautiful sheet music.

the Mutopia Project — Sheet music editions, free to download, modify, print, copy, distribute, perform and record and editable in LilyPond format.

DOE040 — A democratic school for people from ages 4-21.


GNU Guix and GuixSD — A distribution of the GNU operating system centered on the GNU Guix package manager.

Gash — A POSIX compliant sh replacement in GNU Guile.

Bootstrappable TinyCC — A patch set for TCC to make it bootstrappable.