
Description: FreeCAD is an open-source parametric 3D modeler made primarily for mechanical engineering product design. It allows you to sketch geometry constrained 2D shapes and use them to build solid 3D objects. Key features include part modeling, assembly modeling, drafting, finite element analysis, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TopSolid is a computer-aided design (CAD), computer-aided manufacturing (CAM), and computer-aided engineering (CAE) software suite developed by Missler Software. It is used for mechanical design, analysis, machining, and more across industries like automotive, aerospace, consumer products, mold and die, and industrial machinery.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API