
Description: Anondraw is a free, open source online whiteboard tool for collaboration and brainstorming. It allows real-time drawing and editing by multiple users, with options to add text, shapes, and images. As an anonymous online whiteboard, it doesn't require login or account creation.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API