FlightGear Flight Simulator: free open-source multiplatform flight sim
Computer Algebra System written in Common Lisp
General Mission Analysis Tool
a parametric 3D CAD modeler
JaxoDraw: Feynman Diagrams made easy!
MathMod is a mathematical modeling software
Schematic circuit editor for VLSI and Mixed mode circuit simulation.
C++ header-only library that simulates GLSL math
itom - an Open Source Measurement, Automation and Evaluation Software
C++ Statistical ToolKit
PlateEditor, a free web application to work with multi-well plates
DIS(IEEE 1278.1) Fully Implemented in C++
A free GNU/GPL educational digital photogrammetric workstation
Machine learning algorithms for advanced analytics
My super mini robotic arm robot project
PySCeS is the Python Simulator of Cellular Systems
The classic RPL programming language reimplemented and reimagined.
Generation of regular graphs
World's first open source data quality & data preparation project
Simple and intuitive 2D vector drawing for electronics and not only.