Cross platform (lin/win/mac) geographical information system (GIS)
Public development project of the LAMMPS MD software package
The open source mesh processing system
A generic satellite data processing software
Arduino libraries and code
Optimized firmware for RepRap 3D printers based on Arduino platform
Open-source parametric 3D CAD for makers
Qucs-S is a circuit simulation program with Qt-based GUI
The Nelson Programming Language
A powerful, innovative and intuitive EDA suite for everyone
Libre and open source desktop application to create diagrams
Public/backup repository of the GROMACS molecular simulation toolkit
A fast and sensitive gapped read aligner
ScholArxiv is an open-source aesthetic and minimal app
The ESPResSo package
WS2812 FX library for Arduino and ESP8266
Open source framework simplifying the creation of C++ applications
The Open Source CFD Toolbox
a parametric 3D CAD modeler
Data Analysis, Simulations and Visualization on the Sphere
XFLR5 is an analysis tool for airfoils, wings and planes
An intuitive molecular editor and visualization tool
FlightGear Flight Simulator: free open-source multiplatform flight sim