Linux
Programmatura_libera
Ius_auctoris
Unix
Diploma_inventionis
Timotheus_Ioannes_Berners-Lee
Programma_fontium_apertorum
PHP
Firefox
Ubuntu_(systema_internum)
Perl
GNU
MediaVici
Python_(lingua_programmationis)
Ricardus_Stallman
Linus_Torvalds
Copyleft
GNOME
LibreOffice
GCC
Fundatio_programmaturae_liberae
Debian_GNU/Linux
Tcl
Darwin_(systema_internum)
GNU_Hurd
Lubuntu
Knoppix
LilyPond
Proelium_pro_Vesnote
ALSA
Gulielmus_Ioannes_Sullivan
JACK_Audio_Connection_Kit
Donaldus_Knuth
Go_(lingua_programmationis)
Berkeley_Software_Distribution
Rosegarden