
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: Loadium is an open-source load and performance testing tool for web applications. It allows users to simulate large numbers of concurrent virtual users to test the load capacity and performance of web apps under normal and peak traffic conditions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API