Python library for defining and optimizing mathematical expressions
Cross-platform Open-source 2D CAD
Geographic library
A portable, multi-platform, command-line driven graphing utility
An advanced network simulator to design and configure virtual networks
The Open Source CFD Toolbox
Time-dependent simulation of open and closed quantum systems
A circuit simulator with graphical user interface (GUI)
fast C++ library for linear algebra & scientific computing
C++ library for half precision floating point arithmetics.
General Mission Analysis Tool
Calc: arbitrary precision C-like arithmetic & calculator
SUMO is a microscopic, multi-modal traffic simulation.
Model Railway CAD program
A library for scientific data visualization
Open source finite element software for multiphysical problems
Cross-platform DICOM implementation
Arbitrary-precision CRC calculator and algorithm finder
Agena is an interpreted procedural programming language.