Similar to GNUstep
Dbndns
DbndnsDC++
DC++DD-WRT
DD-WRTDebian Almquist shell
Debian Almquist shellDebian GNU/Hurd
Denemo
DenemoDeno
Deno (software)DesktopBSD
DesktopBSDDeSmuME
Dev-C++
Dev-C++Dia (ソフトウェア)
Dia (software)Diff
DiffDiff3
Diff3DigiKam
DigiKamDirectFB
DirectFBDiscourse
Discourse (software)Distcc
DistccDjango
Django (web framework)Dlib
DlibDocker
Docker (software)Dogtail
Dolphin (ファイルマネージャ)
Dolphin (file manager)Dolphin (エミュレータ)
Dolphin (emulator)Donut (ウェブブラウザ)
Donut RAPT
Dovecot
Dovecot (software)Dragon Player
Dragon PlayerDrupal
Drupal