Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network. Developed by Facebook Inc.
License: Free
Jitsi Meet is an open-source video conferencing platform that prioritizes privacy and security, making it ideal for users who seek a free and customizable solution. In contrast, Facebook Messenger leverages the extensive reach of Facebook's user base, providing a more integrated but less private social communication tool.