
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: Blitz.io is a load testing tool that allows users to simulate high traffic website scenarios in order to stress test the performance and stability of web applications. It offers easy to configure load tests that can scale up to millions of concurrent connections.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API