
Description: Iron Test is an open-source load and performance testing tool for web applications. It allows developers to test the responsiveness and scalability of their applications under different user loads. Iron Test is lightweight, customizable, and can simulate thousands of concurrent users.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stoplight is an API design and documentation platform that enables teams to design, mock, document, test and publish APIs. It provides collaborative tools to streamline the API lifecycle.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API