
Description: Annotable is an open-source alternative to tools like Evernote and OneNote. It helps users organize, annotate, and search notes consisting of formatted text as well as images and PDFs. It has support for tagging and categories as well as various formatting options.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Snap Markup is a screenshot annotation tool that allows users to easily add captions, comments, shapes, and sketches on top of screenshots. It has features for quickly editing images and sharing screenshots with team members.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API