
Description: Trello is a web-based project management application that allows users to organize projects into boards with lists and cards. It facilitates collaboration among team members by allowing them to assign tasks, set due dates, attach files, and comment on cards.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Kaiten is an open-source web server software focused on performance, speed, and scalability. It is built in C++ and implements advanced techniques like asynchronous I/O and multi-threading to handle high concurrency scenarios.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API