
Description: picoCAD is a free and open source 2D CAD program for Windows, Linux and macOS. It has basic drafting tools for creating and editing drawings and schematics and can export to several file formats.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Meshmixer is a free 3D modeling and editing software from Autodesk. It allows you to easily combine, edit, sculpt, and remix 3D models. Key features include remeshing, smoothing, optimizing meshes, cutting and filling holes, as well as analyzing and inspecting printability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API