
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: Natron is a free, open-source compositing software. It offers node-based compositing tools designed for creating visual effects. Natron supports various keyframable parameters, unlimited undo/redo, and comes with a wide range of built-in tools for color correction, keying, tracking, rotoscoping, stabilization, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API