
Description: Fluid UI is a user interface design and prototyping tool that allows designers and developers to quickly create interactive prototypes and high-fidelity visual designs for web and mobile apps. Its key features include a large component library, collaboration tools, animation builder, interactions editor, template library, and support for responsive design.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: InVision is a web-based prototyping and collaboration tool used by designers and developers to create interactive prototypes and get feedback on designs. It allows rapid prototyping without coding and easy collaboration across teams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API