Simple Road Design and Earthworks
Editor for Zometool models
A math-inspired CAD program in haskell. CSG, bevels, and shells
Cross-platform Open-source 2D CAD
Drag n Drop Fintech Platform
A canvas library for generating technical drawings
Helps with the Mach3 CNC Threading functionality
Free CAD software
Demonstrates a quadtree for spatial indexing of triangles
OpenNum lets you distribute solvers with a nice graphical interface
Packing two dimensional rectangular elements at orthogonal table
Revision control for hardware, engineering and scientific projects