darktable is an open source photography workflow application
Make OpenStreetMap vector tiles without the stack
Active repository of jpeg-photos with tags suitable for personal needs
FlightGear Flight Simulator: free open-source multiplatform flight sim
virtual reality authoring toolkit created by artists, for artists
Open Source Solid Modeling CAD
Display, convert, and edit raster image and vector image files
A software for the management of a permaculture oriented garden.
Drawing, graphics conversion, software development, administration.
Picture Database Viewer
Concise spatial query and representation system (c-squares)
Library to correct optical lens defects and lens database
Converts between many 3D data formats
3D .NET engine for Windows, Linux, Mac
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Free drawing software for Windows, Mac OS X, and Linux