
Description: Open Library is an open, editable library catalog, building towards a web page for every book ever published. It provides access to many public domain and out-of-print books.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stack is a task manager app for Mac that organizes files, notes, links, and to-do lists in one unified workspace to help you stay focused on your projects. It uses tags to organize content and provide quick search and access.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API