
Description: Slenke is a free and open-source bookmark manager and archiver. It allows users to save, organize and search bookmarks, archive web pages for offline viewing, and sync bookmarks across devices. Slenke has a simple interface and focuses on flexibility, customizability and privacy.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Matrix.org is an open source, decentralized communication protocol and network focused on secure and private communications. It allows users to communicate with each other on different platforms via chat, voice, video, etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API