
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: Loader.io is a cloud-based load testing service that allows developers to stress test their web applications and APIs. It can simulate thousands of concurrent users to identify performance issues under load.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API