
Description: Violet is an open-source UML editing tool for Windows, Linux and Mac that allows users to create a variety of UML diagrams like use case diagrams, class diagrams, sequence diagrams, communication diagrams, statechart diagrams, activity diagrams, etc. It has a simple and intuitive graphical interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: BOUML is an open-source UML modeling tool for software architecture and design. It supports all UML diagram types and can generate code stubs from UML class diagrams. Useful for planning and documenting software systems.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API