Mattermost
Team ChatAlternative to Slack
Secure team messaging with unlimited history, file sharing, and integrations.
28.5k stars
7.1k forks
Updated 2024-01-15
Overview
Mattermost is an open-source, self-hostable online chat service with file sharing, search, and integrations. It is designed as an internal chat for organisations and companies.
Key Features
Unlimited messaging
File sharing
Voice & video calls
Custom integrations
Mobile apps
Enterprise security
Tags
chatmessagingteamcommunication