
Description: Hypothes.is is a free, open-source web annotation tool that allows users to add annotations to any webpage. Users can highlight text on a page and add comments publicly or privately. It facilitates group discussions and back-and-forth conversations around online content.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Highlights is a web browser extension that allows users to highlight, annotate, organize and collect information from web pages. It serves as both a highlighter and web clipper.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API