
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Prototype Composer is a free, open source user interface design tool. It lets developers and designers rapidly prototype and collaborate on interface designs using quick sketching features and exporting code snippets.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API