
Description: RabbitMQ is an open source message broker that implements the Advanced Message Queuing Protocol (AMQP). It is designed to receive, route and deliver messages between applications flexibly, reliably and at scale.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ActiveMQ is an open source message broker that implements the Java Message Service (JMS) API for sending, receiving, and persisting messages between distributed applications. It supports many advanced messaging features like message queues, topic publishing and subscribing, reliability, and security.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API