Rocket.Chat
Open SourceSelf-hostableA customizable communications platform.
4.442K starsAlternative to Slack, Microsoft Teams
Overview
Rocket.Chat is an open-source team chat and customer engagement platform. Beyond internal messaging, it supports omnichannel customer conversations, bots, and federation — a flexible Slack alternative you fully own.
Why pick Rocket.Chat over Slack
- Own your data instead of trusting Slack's servers
- No per-seat pricing — grow without ballooning costs
- Rocket.Chat is open source: audit it, fork it, extend it
- Self-host for full privacy and compliance control
Key features
- Team chat with channels and threads
- Omnichannel customer support (email, WhatsApp, SMS)
- Voice and video conferencing
- Bots, apps, and integrations marketplace
- Federation and self-hosting
Pros & cons
Screenshots
Installation
Run with Docker
docker run -d -p 3000:3000 --name rocketchat registry.rocket.chat/rocketchat/rocket.chat:latestFrequently asked questions
You might also like
Related alternatives
Smart picks based on category, tags, and the tools this one replaces.
Mattermost
Alternative to Slack, Microsoft Teams
Secure team messaging for technical teams.
Open SourceSource Available33K
Zulip
Alternative to Slack, Discord
Threaded team chat that scales with focus.
Open SourceApache 2.022K
Jitsi Meet
Alternative to Zoom, Microsoft Teams
Free, encrypted video meetings with no account.
Open SourceApache 2.024K