The Continuation of Cr OS Linux Now an Updated DIY Distro Fan Page
A portable, multi-platform, command-line driven graphing utility
FlightGear Flight Simulator: free open-source multiplatform flight sim
XFLR5 is an analysis tool for airfoils, wings and planes
An interactive viewer for three-dimensional chemical structures.
a parametric 3D CAD modeler
Virtual Screening software for Computational Drug Discovery
Open source cross-platform Java Visual Traceroute
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
3D Engine c++
A modern, cross-platform Quake game engine based on FitzQuake.
Open and edit the archive files used in over 4200 games.
2D & 3D TeX-Aware Vector Graphics Language
Open source solution for the Property & Facility Management
Simple and easy 3D engine for LÖVE
3D fractal rendering software
A project that has moved to GitHub
Odamex is a free, cross-platform, modern client-server Doom engine