Similar to GNU_Octave
Check (ユニットテスト・フレームワーク)
Checkstyle
CheckstyleCherryPy
CherryPyChrony
ChronyCKEditor
CKEditorClam AntiVirus
ClamAVClaws Mail
Claws MailCloud Foundry
Cloud FoundryCMSF - COMMON MYSQL STORED FUNCTION
CMU Common Lisp
CMU Common LispCoccinella
Coccinella (software)Coccinelle (ソフトウェア)
Coccinelle (software)CodeIgniter
CodeIgniterCompletely Fair Scheduler
Completely Fair SchedulerConky
Conky (software)Cooperative Linux
Cooperative LinuxCotEditor
Courier-MTA
Courier Mail ServerCowsay
CowsayCPython
CPythonCramfs
CramfsCream (テキストエディタ)
CrossOver (ソフトウェア)
CrossOver (software)CRuby
Ruby MRICrunchBang Linux
CrunchBang LinuxCTWM
CTWMCubePDF
CUBRID
CUBRID