
Description: VariCAD Viewer is a free CAD software that allows you to view, measure, and print CAD models. It supports many common CAD formats like DWG, DXF, and STEP. Useful for collaborating on design projects when you don't need full CAD editing capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: IGS Viewer is a free, open-source 3D model viewer used for viewing and interacting with 3D models. It supports many common 3D file formats and allows for orbiting, panning, and zooming models.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API