
Description: JustCAD is a free, open-source CAD software for 2D and 3D design. It has an intuitive interface and provides powerful modeling and drafting tools for architects, engineers, makers, and hobbyists to create professional designs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Piglet Drawing Editor is a free, open source vector graphics editor for Windows, Mac and Linux. It has a simple, easy-to-use interface allowing you to create diagrams, drafts, charts and illustrations. Key features include layers, grid snapping and export to PNG.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API