
Description: Nullboard is an open-source virtual whiteboard application that allows remote teams to collaborate visually in real-time. It has support for drawings, images, sticky notes, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ZenHub is an agile project management tool that integrates with GitHub to add prioritization, reporting, and project planning features. It allows teams to visualize workflows, track progress, and plan sprints and releases within GitHub.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API