
Description: Mosquitto is an open source message broker that implements the MQTT protocol. It is lightweight and designed for low resource usage, making it ideal for Internet of Things devices and messaging applications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VerneMQ is an open-source, high-performance MQTT messaging broker written in Erlang. It is scalable, fault-tolerant and easy to set up. VerneMQ can handle thousands of MQTT clients on a single server instance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API