
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: 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