
Description: ScreenBrush is a simple screen annotation tool for Windows that allows users to draw, type, and highlight directly on the screen to provide visual context. It has basic tools for quick screenshots with markup.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: gInk is a free, open-source digital whiteboard and sketching software for Windows, Mac and Linux. It provides basic drawing and text tools for quick sketches and diagrams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API