
Description: RapidSpike is a load and performance testing tool for web applications. It allows users to simulate hundreds or thousands of concurrent users to test the performance, reliability, and scalability of web apps under heavy load.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Opbeat is an application performance monitoring and error tracking tool designed for web apps and services. It provides real-time visibility into app performance, errors, and exceptions across codebases.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API