Mattermost
Self-hosted, open-source messaging for security-conscious teams
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Team Messaging
Compare team messaging and chat apps for real-time collaboration. Find platforms with the channels, integrations, and security teams need.
12 products
Discord
Voice, video, and text servers built for communities and gamers
Rocket.Chat
Open-source team chat with omnichannel customer support
Element
Decentralized, encrypted messaging built on the Matrix protocol
Telegram
Cloud messaging with large groups, channels, and bots
Twist
Asynchronous team messaging organized by threads and channels
Chanty
Team chat with built-in task management for small teams
Zulip
Threaded team chat designed for asynchronous focus
Flock
Team communication app with channels, to-dos and integrations
End-to-end encrypted messaging used by billions worldwide
Microsoft Teams
Chat, meetings, and files bundled into the Microsoft 365 stack
Slack
Channel-based messaging that replaces internal email for teams