
Description: Papyrus UML is an open-source UML modeling tool based on Eclipse. It allows developers to create UML diagrams like use case, activity, class, sequence, and more. Papyrus aims to provide an advanced environment for editing, visualization and coding of UML models.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ArgoUML is an open-source UML modeling tool written in Java. It supports all standard UML diagrams like use case, class, sequence, state machine, activity, etc. ArgoUML can export diagrams to multiple formats and generate code stubs from UML class diagrams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API