
Description: gCAD3D is a free, open source CAD software for 3D modeling and drafting. It has tools for creating precise 2D drawings and 3D models. gCAD3D is lightweight, customizable, and supports exporting files to common formats.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API