darktable is an open source photography workflow application
Free and open source voxel art tools - editor, thumbnailer and format
Display, convert, and edit raster image and vector image files
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
Deep paint and stop-motion animation software
Library to correct optical lens defects and lens database
Your Hardcore Loop Machine for Windows, Linux and OS X.
A 3d rendering framework
State Dependency deconstructor and mapper for C source code.
Scada for Home Automation
Free drawing software for Windows, Mac OS X, and Linux
Not your usual Architectural Modeler
Free Audio Media player and Radio Player. Lots of things to have fun
edje2yuv exports arbitrary Edje animations to YUV4MPEG streams
Simple musical track editor + Tools