Similar to Project64
CUBRID
CUBRID
CUPS
CUPSCuPy
CuPy
CyanogenMod
CyanogenMod
Cygwin/X
Cygwin/X
Cyrus IMAP server
Cyrus IMAP serverDaredevil SKK
Darik's Boot and Nuke
Darik's Boot and Nuke
Das U-Boot
Das U-BootDbndns
Dbndns
DD-WRT
DD-WRT
Debian Almquist shell
Debian Almquist shell
Debian GNU/Hurd
Deno
Deno (software)
DesktopBSD
DesktopBSD
Dia (ソフトウェア)
Dia (software)
Diff
DiffDiff3
Diff3
DigiKam
DigiKamDirectFB
DirectFBDiscourse
Discourse (software)Distcc
Distcc
Dolphin (ファイルマネージャ)
Dolphin (file manager)
Donut (ウェブブラウザ)
Donut RAPT
Dragon Player
Dragon Player
Drupal
DrupalDSLinux