
Description: SolveSpace is a free, open source 2D and 3D CAD software for designing and analyzing mechanical designs and assemblies. It has an intuitive user interface with key features like constraint-based sketching, extruding, dimensioning, sectioning, and visualization.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: BRL-CAD is an open source cross-platform solid modeling computer-aided design system. It includes an interactive geometry editor, ray tracing support for graphics rendering and geometric analysis, computer network distributed framebuffer support, scripting, image-processing and signal-processing tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API