
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: 3DTin is a free, open source, easy-to-use 3D design and modeling software. It allows users to create 3D models for 3D printing or other applications. Key features include basic modeling tools, support for STL export, and a simple user interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API