AbiWord
Compose, edit, and view documents
Accerciser
Give your application an accessibility workout
Activity Log Manager
Configure what gets logged in your Zeitgeist activity log
Security & Privacy
Privacy and Activity Manager
Agave
Generate color schemes

AisleRiot Solitaire
Play many different solitaire games
Alarm Clock
Wake up in the morning

Alleyoop Memory Checker
Find memory-management problems in your programs using the valgrind tool
Anjuta
Develop software in an integrated development environment

Ardesia desktop sketchpad
Annotate on the desktop screen.
Ario
Client application to mpd
Arista Transcoder
Convert multimedia for all your devices
asciijump
A clone of the dsj game

Atomix
A puzzle game about atoms and molecules
AutoKey
Program keyboard shortcuts
AutoRenamer
Automatically rename files have them sort in given order
Fonts Tweak Tool
Tweak fonts by language using fontconfig
Back In Time
Simple backup system

Banshee
Play and organize your media collection

Disk Usage Analyzer
Check folder sizes and available disk space

Bibledit
Bible Editor
BibShelf Book Manager
Book collection management application
Bibus
manage references and citations in your publications
BoxFit
Packs the screen with growing squares or circles, colored according to a horizontal or vertical gradient, or according to the colors of a loaded image. The objects grow until they touch, then stop. When the screen is full, they shrink away and the process restarts. Written by Jamie Zawinski; 2005.
D-Feet D-Bus Debugger
Debug D-Bus applications

Bluefish Editor
Web Development Editor
Bluetooth Manager
Blueman Bluetooth Manager

Brasero
Create and copy CDs and DVDs

MacSlow's Cairo-Clock
a super fine analog clock

Calf Plugin Pack for JACK
Process and produce sounds using a set of plugins with JACK interface
California
GNOME 3 Calendar

Camera Monitor
Camera Monitor

RapidSVN
Manage Subversion repositories
Wordview Microsoft doc Viewer
Microsoft doc document file viewer
Catfish File Search
Search the file system
CellWriter
Grid-entry handwriting recognition input panel
Cgoban
Play Go against human or computer opponents

Cheese
Take photos and videos with your webcam, with fun graphical effects
CherryTree
Hierarchical Note Taking
chinese-calendar
Chinese lunar calendar
Graphics Tablet
Set button mappings and adjust stylus sensitivity for graphics tablets

Cinnamon Menu Editor
Edit the entries of the Cinnamon menu applet
Cinnamon
This session logs you into Cinnamon
Cinnamon 2D
Window management and application launching

ClamTk
Scan for threats...
ClassicMenu Indicator
Indicator applet to show the Gnome Classic main menu
ClipIt
Clipboard Manager

CCMX Loader
Modify the calibration matrices on the ColorHug device

Firmware Updater
Update the firmware on the ColorHug colorimeter