
Description: YandexTank is an open-source load testing tool for measuring web application performance. It allows you to generate high loads to stress test server infrastructure and analyze performance metrics under realistic workloads.
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