
Description: Mumblit is a free, open source, self-hosted alternative to Discord for voice, video, and text chat. It has features like user management, channel permissions, file sharing, and custom themes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sidenet is an open-source alternative to Microsoft OneNote. It is a note taking and organization app that allows users to create digital notebooks to take notes, save web pages, images, audio, videos and more. Key features include cross-platform support, tagging, searching, syncing, collaboration tools and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API