
Description: Apache Traffic Server is an open-source caching proxy server that is fast, scalable and configurable. It can improve web server performance by caching frequently accessed content and handling requests instead of web servers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nuster is an open-source load testing tool for web applications. It is designed to automate performance tests, stress tests, and scalability tests of websites and web services. Nuster allows generating high user loads to analyze system behavior under expected traffic.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API