
Description: LibraryThing is an online service that allows users to catalog their books easily. Users can keep track of books they own, books they have read, books they want to read, and more. The service provides recommendation features and social networking elements for readers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Shelvable is a free and open-source self-hosted knowledge management tool. It allows you to create notes and organize them into shelves (categories). Key features include full-text search, filtering notes, wiki-style linking between notes, and version control.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API