
Description: Interference is an open-source alternative to Figma for interface design, prototyping, and collaboration. It provides vector design tools and adaptive layout grids to design responsive web and mobile apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MultiDraw is a free, open-source vector graphics editor for Windows, Mac and Linux. It allows users to create illustrations, diagrams, charts, floorplans and more. MultiDraw has a simple, intuitive interface, customizable tools and supports many file formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API