
Description: Joxi is a free online tool that allows users to annotate images, screenshots, designs, and documents. It has features for drawing, adding arrows, text comments, blurring sensitive areas, and collaborating with others.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Flameshot is an open source screenshot software for Linux. It has annotation and markup tools to add text, shapes, colors etc. to screenshots. It allows uploading images to Imgur and copy to clipboard easily.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API