
Description: Diigo Web Collector is a browser extension and web service that allows users to collect, organize, highlight and annotate web pages. It serves as a research and knowledge management tool.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Reader Highlighter is a free web and mobile app that allows users to highlight and annotate PDFs and ebooks. It helps organize thoughts and important passages for referencing later.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API