Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with users of a different service provider via online chat, Voice over IP, and Videotelephony. Developed by Matrix.org
License: Open Source
Glip is a collaboration tool that combines messaging, video conferencing, and task management in a user-friendly interface, ideal for teams looking for an all-in-one solution. In contrast, Matrix.org offers a decentralized and customizable platform suitable for developers and organizations needing enhanced privacy and flexibility.