Open Source Computer Vision Library
Symja - Java computer algebra language & symbolic math library
Command-line translator using Google Translate, Bing Translator, etc.
Simulate crystal cell length (a), Miller indices {h, k, l}, d-spacing
Free 3D Mobile CAD
APP for control a manual mill and obtain a CNC Mill
Temperature Unit Converter
Free GPS tracking software for your workouts.
... the open-source glide computer
Android app to control the Red CNC 3D routing machine