
Description: STP Viewer is a free software tool for viewing and analyzing STP network protocol data. It allows you to load capture files, inspect STP frames and BPDUs, analyze STP topology and events, and gain insights into Spanning Tree operations.
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