
Description: IDA-STEP Viewer is a free, open source CAD viewer that supports STEP (STandard for the Exchange of Product model data) files. It allows users to open, view and investigate STEP files containing 3D mechanical CAD models.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: 3D Viewer Online is a free web-based 3D model viewer that allows users to view, rotate, pan and zoom 3D models without needing to install any software or plugins. It supports over 50 3D file formats and provides basic measurement tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API