
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: RexPad is a lightweight yet powerful text editor and development environment for Windows. It has a minimal interface but includes features like syntax highlighting, theming, plugins, macro recording and remote file editing over FTP.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API