
Description: Mipui is a free, open-source wireframing and prototyping tool for creating quick mockups and wireframes for web and mobile app designs. It has a simple and intuitive drag-and-drop interface for building layouts rapidly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Roll20 is a popular virtual tabletop platform for playing tabletop roleplaying games online. It provides digital character sheets, dice rolling, maps, tokens, and tools to run RPGs virtually with friends across the internet.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API