
Description: MistServer is an open-source, lightweight MQTT server designed for IoT and embedded devices. It provides a simple yet powerful MQTT broker with low resource usage, high scalability, and high performance.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SRS is a free, open source software for spaced repetition memorization. It allows users to efficiently learn and retain knowledge using flashcards and a spaced repetition algorithm that orders cards based on difficulty. SRS is available on Windows, macOS, Linux, Android, iOS, and as a web application.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API