
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: ImageMarkup is a web-based image and PDF annotation tool that allows users to add text, shapes, arrows, and more to images and PDFs. It has collaboration features to share and discuss annotations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API