
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Scribble3D is a free, open source, 3D modeling and animation tool. It allows beginners to easily create 3D animations and models through a simple, intuitive interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API