
Description: Tsung is an open-source multi-protocol distributed load testing tool. It is designed to test the performance of web servers, application servers, and other types of network-based software by simulating a heavy load on the target system.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HailStorm is an open-source load testing tool for web applications. It allows users to perform stress tests on their applications to identify performance issues under heavy load. Useful for testing capacity and reliability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API