
Description: Archive of Our Own (AO3) is a non-profit open source repository for fanfiction, fanart, and other fanworks. It allows users to post their creative works based on books, movies, TV shows, video games, and more for others to read and interact with.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: oStorybook is an open-source tool for designing and prototyping user interfaces. It allows developers and designers to build components and pages, add interactions, and test designs without needing to write code.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API