
Description: Shelf is a free bookmark and read-it-later app that helps you save, organize and read web pages later. It has features like tags, notes, highlights and recommendations to help you easily find and remember useful content.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KnowledgeTree is an open source document management system that helps organize business documents, files, and data. It provides tools for content lifecycle management, collaboration, and governance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API