
Description: TrackDuck is a visual feedback and bug tracking software for web designs. It allows designers to annotate designs, leave comments, assign tasks, and track progress directly on design mocks and prototypes. Useful for agile web development teams.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Marker.io is a visual collaboration platform that allows teams to brainstorm ideas, organize content, and plan projects on an infinite virtual whiteboard. It provides various templates, shapes, sticky notes, images and real-time collaboration features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API