For exploring cellular automata like Conway's Game of Life.
itom - an Open Source Measurement, Automation and Evaluation Software
Scientific Visualisation Made Easy
Precision Trigonometry: Advanced Calculator for Complex Math
Framework for Systems Biology
Aseryla code repositories
Google Earth Enterprise - Open Source
Real-time interactive 3D graphics API for scientific simulations
Application Integration for HPC Multiphysics
A framework for simulating open quantum dynamics
Acoustic Simulation Library for Frequency and Time Domain Simulations.
An open source controller for Scalextric community
An Open source Analysis and SImulation Toolbox for Fuel Cells