Open Source Solid Modeling CAD
Earth orbits and satellite coverage display in 3D on your laptop.
LDraw™ editor for LEGO® style digital building instructions.
Matches OpenScience Observatories images with astronomical catalogs
3D Without Boundaries
Portable OS X FOSS applications
Controls processing and daylight simulation with hierarchical models.
Fractals generator with powerful functionality.
Scada for Home Automation
Simply convert your PDF files into audio books