Rocket.Chat

Rocket.Chat is a highly flexible and customizable chat platform designed for teams and organizations. It is built on open-source code, which means it's free and open for anyone to use and modify. The platform allows teams to communicate in real-time via direct messaging, group chats or video conferencing. Users can also share files and collaborate on different projects.

Rocket.Chat also offers a range of features that enhance productivity and optimize team communication. These include screen sharing, video and audio conferencing, in-line image and video previews, URL unfurling, and advanced permissions settings that give team members different levels of access. With its extensive integration capabilities with other apps such as Slack, Trello, and Google Drive, Rocket.Chat is a highly powerful and versatile chat platform that can be customized to meet the specific needs of any organization.