A small programmer's editor.
SC is a C based meta/programming language/environment
turn-based wargame/simulator
Graphical programming. Includes n-dimensional sorting.
Play SoundTracker media on your computer.
Multitrack audio editor
Web-based LDAP address book browser/editor
Program for manipulating with mind maps
X11 developer's 'workbench' and lightweight toolkit API
Information Manager(split/analyze/compare/combine).
A lightweight cross platform programmers' editor
A .NET/Mono library for string-based user interface localization.
DocBook Editing and Processing for Eclipse
Electronic design and programming tools suite like Eagle, MpLab
yEdGen can open a flow chart and generate ANSI C code from it.