
Description: Szoter is an open-source alternative to Microsoft Visio for creating diagrams and flowcharts. It provides a user-friendly interface for designing flowcharts, UML diagrams, network diagrams, mockups, and more.
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