
Description: Vor Board is a free, open source virtual whiteboard software for online collaboration. It allows teams to visually brainstorm ideas, annotate documents, sketch diagrams, and more in real-time.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Twiddla is an online whiteboarding and collaboration tool that allows multiple people to brainstorm, edit documents, and annotate images in real-time. It has built-in chat and screen sharing for remote teamwork.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API