
Description: Microsoft 3D Builder is a free 3D modeling software for Windows. It allows users to quickly and easily create, view, customize, and print 3D models. Ideal for basic modeling and 3D printing projects.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LibreCAD is a free, open source 2D CAD application for Windows, Mac and Linux. It has a user-friendly interface and tools for drafting and design, including snap tools, layers, blocks, and dimensions. LibreCAD is lightweight yet full-featured for drawing floorplans, schematics, diagrams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API