
Description: Lemmy is an open source, decentralized Reddit alternative built on ActivityPub. As a federated platform, it allows anyone to host their own server while still being able to interact with other instances seamlessly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Hacker News is a social news website focusing on computer science and entrepreneurship. It features user-submitted links to technology-related articles and blog posts, which users can comment on and vote up or down.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API