
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: Smartsheet is a collaborative work management and project management software. It uses a spreadsheet-like interface to help teams plan, capture, manage, and report on work. Key features include Gantt charts, file attachment and collaboration, automated workflows, and integrations with other apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API