
Description: Trello is a web-based project management application with Kanban-style boards for organizing tasks. Popular alternatives with similar features are Asana, Monday.com, Notion, ClickUp, Smartsheet, Airtable, and Basecamp.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tumblr is a microblogging and social networking website that allows users to post text, images, videos, links, quotes, and audio to their tumblelog - a short-form blog. It has simple customization and is good for sharing creative content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API