Decorators/view-models for Rails applications
The "DIY" SteamVR compatible VR setup made for tinkerers
Low budget open-source Virtual Reality controllers
An open source VR headset with SteamVR supports for $200
Astrophotography
A complete Arduino library for the Fluxamasynth shield.
XNA based game engine completely written in c#
Easy Terrain editing and Heightmap creation
Cuts 3D objects from polystyrene foam (EPS/XPS)
Streams data from 3D cameras over a network.