
Description: Prequel is an open-source alternative to Confluence for documentation and knowledge management. It allows teams to create, organize, and discuss content like pages, blogs, comments, and more. Key features include real-time collaboration, search, access control, and integrations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pixlr-o-matic is a free online photo editor that allows users to quickly apply filters, overlays, and adjustments to images. It has an easy-to-use interface and a variety of effects to choose from.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API