This is the Curriculum for "How to Learn Mathematics Fast"
Eclipse-based IDE for design verification tasks
Modular Image Processing in Python
Acoustic Simulation Library for Frequency and Time Domain Simulations.
Linux tiny CAD for educational purposes
Collaborative Computing Project for NMR (CCPN)
FastVersion is a Qgis plugin for data versioning in a Postgis database
Pure-python binary fixed-point arithmetic library
Interactive gnuplot script editor
Building automation (like KNX or OpenHAB) software (like CometVisu).