NBi is a testing framework (add-on to NUnit)
Thin Julia wrapper for GDAL - Geospatial Data Abstraction Library
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
3D Without Boundaries
The official NFFT library repository
FlightGear Flight Simulator: free open-source multiplatform flight sim
A portable, multi-platform, command-line driven graphing utility
Computer Algebra System written in Common Lisp
Scanning probe microscopy data visualisation and analysis
General Mission Analysis Tool
2D & 3D TeX-Aware Vector Graphics Language
Data Analysis, Simulations and Visualization on the Sphere
Viking is a free/open source program to manage GPS data
Open source finite element software for multiphysical problems
A library for scientific data visualization
The cross-platform library behind the Hugin photo stitcher
Cross-platform, scientific graphics plotting library
TimingEditor is a tool to graphically draw and edit timing diagrams.
MathMod is a mathematical modeling software