
Description: WrittenUp is a writing productivity tool that helps authors organize notes, drafts, files, images and more in one place. It includes features like customizable writing spaces, linked notes and drafts, image annotations, version history and word count tracking.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Skrbl is a free online whiteboard and sketching tool. It allows real-time collaboration for brainstorming sessions, presentations, teaching, and more. Skrbl has basic drawing tools and supports image imports.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API