
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Apache JMeter, an open-source tool for performance and load testing of applications. Empower developers and testers to simulate various user scenarios, measure performance metrics, and identify bottlenecks. Apache JMeter supports a wide range of protocols, including HTTP, HTTPS, FTP, SOAP, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API