Conversations
Chat using the XMPP networkGPL-3.0
Cool Reader
E-book readerGPL-2.0
Copy to Clipboard
Copy via the share menuGPL-3.0
CosyDVR
Video recording (DVR) software for in-car useGPL-3.0
Counter
Tally counterApache-2.0
Crates.io unofficial
Rust crates.io browsing appApache-2.0
Critical Maps
Critical mass location sharing and chatApache-2.0
Critical Velocity
Side scrolling arcade style gameApache-2.0
crond
Schedules scriptsMIT
Crossword
Simple crossword solverGPL-3.0
CrossWords
A Scrabble-like gameGPL-2.0
Cryptfs Password
Disk encryption password changerApache-2.0
CryptoPass
Strong passwords for different websites using a single secret keyMIT
CS Teaching Labs
Check availibilty of computers at CDFLabsMIT
cSploit
Network analysis and penetration toolkitGPL-3.0+
CuprumPDF
View PDF filesApache-2.0
Currency
Currency conversionGPL-3.0
Cythara
Musical instrument tunerGPL-3.0
D00R
Unlock the door at Hackspace SiegenMIT
DAAP
DAAP (Music/media sharing) ClientGPL-2.0+
DadosD
Generate Brazilian test IDs for development/testGPL-3.0
dandelion*
Client for the diaspora* social network
GPL-3.0+
DAPNET
Send and read calls to and from DAPNETApache-2.0
DataStats
View bandwith usageApache-2.0
DAVdroid
Sync contacts, calendars and tasks with CalDAV/CardDAVGPL-3.0
DBZ Battery Widget
View your battery status with your favorite DBZ characterGPL-3.0
Debatekeeper
Time debatesGPL-3.0
debDroid
Search for debian packagesApache-2.0
Debian Kit
Install Debian alongside your systemGPL-3.0
Decimal Time Clock Widget
Shows decimal clock as a widgetGPL-2.0+