
Description: Misskey is an open-source, decentralized microblogging platform and social network. It features functionality similar to Twitter, allowing users to post short messages, follow other users, use hashtags, and more. Misskey emphasizes customizability, privacy, and user control.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PenPal World is a pen pal matching service that connects people from around the world to exchange letters and emails. It allows users to find pen pals based on shared interests, language learning goals, age groups, and regions of the world.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API