
Description: OmniGraffle is a diagramming and graphic design application for macOS and iOS. It allows users to create everything from simple diagrams to complex illustrations and prototypes. OmniGraffle enables intuitive diagramming with customizable canvases, templates, stencils, and tools for drawing, connecting objects, and styling diagrams.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WebSequenceDiagrams is an online tool for easily creating UML sequence diagrams. It has a simple syntax for defining objects, messages, notes, and other sequence diagram elements. The service is free to use and diagrams can be exported as images.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API