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Home/Categories/Communication & Collaboration/Rocket.Chat
icon of Rocket.Chat

Rocket.Chat

Open source alternative to Microsoft Teams, Slack and Zoom Workplace

  • 46.3K stars
  • MIT
  • Active this week
  • Last commit 2 days ago

Last verified Oct 20, 2026

Rocket.Chat is a self-hosted team messaging platform with real-time chat, voice, video, and omnichannel customer support in one open source deployment. MIT licensed Community Edition; supports air-gapped networks.

Visit websiteGitHub46.3K stars1-click deploy on Hostinger
image of Rocket.Chat
TL;DR

Rocket.Chat is a self-hosted communications platform for organizations that need more control over chat, customer conversations, and operational messaging than Slack or Microsoft Teams provide. It is strongest when message ownership, security posture, and deployment control matter.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who Rocket.Chat is for#

Regulated teams owning chat history

Run team messaging in infrastructure that can match internal retention, security, and access policies.

Skip if:

Your company already accepts Slack or Teams as the system of record.

Support teams unifying customer conversations

Use Rocket.Chat when customer support, internal escalation, and operational chat need to live closer together.

Skip if:

You need a dedicated help desk more than a communications platform.

the problem

The problem it solves#

Team chat becomes part of the company memory, but hosted chat platforms put retention, exports, compliance, and integration boundaries under the vendor account. Regulated teams, support teams, and operational groups need messaging infrastructure they can govern more directly.

how Rocket.Chat solves it

How it solves it#

Self-hosted team chat

Rocket.Chat gives organizations a chat workspace they can run themselves instead of putting all conversation history into Slack or Teams.

Operational and customer communication fit

The product is commonly used for internal messaging, support conversations, and workflow-connected communication.

Security-centered positioning

Rocket.Chat positions itself around secure communications for mission-critical operations, making control and compliance central to the product frame.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • More ownership over conversation dataRocket.Chat is useful when retention, deployment, and data access need to match internal policy rather than a shared SaaS default.
  • Broader communications scope than simple chatThe support and omnichannel positioning makes it relevant for teams that need internal and customer-facing messaging in one stack.

Trade-offs

  • -Slack and Teams have stronger ecosystemsSlack and Microsoft Teams offer deeper app directories, enterprise defaults, and user familiarity.
  • -Self-hosted chat needs real operationsSearch, notifications, mobile behavior, upgrades, storage, and uptime all need ownership when the team runs the platform itself.
versus alternatives

Rocket.Chat vs alternatives#

Rocket.Chat vs Slack and Microsoft Teams

Rocket.Chat is better when message history, deployment, and security posture need to stay under organizational control. Slack and Teams remain easier for companies already standardized on their ecosystems and app directories. Rocket.Chat fits regulated, support-heavy, or operations-heavy teams that can own their communications stack.

tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptTypeScript
Frameworks
ExpressReact
Databases
MongoDB
Infrastructure
AWS
Messaging
NATS
Tooling
Webpack
frequently asked

FAQ#

Can Rocket.Chat replace Slack?

Rocket.Chat can replace Slack for organizations that value self-hosting, data control, and security-centered messaging. Slack is easier for teams that want the largest app ecosystem.

Can Rocket.Chat replace Microsoft Teams?

Rocket.Chat can replace Teams for chat-centric collaboration, especially when self-hosting matters. Teams remains stronger for companies standardized on Microsoft 365 meetings, files, and identity.

Is Rocket.Chat self-hosted?

Yes. Rocket.Chat supports self-hosted deployment, but production setup should follow current official deployment documentation.

Looking for more

Other ways to replace Microsoft Teams, Slack and Zoom Workplace#

Buzz

Featuredfor Slack

Self-hosted team chat where people and AI agents work together

36,174 GitHub starsVisit

Mattermost

#1 in the Slack guide

Closest drop-in Slack replacement for self-hosted teams

39,388 GitHub stars

Zulip

#3 in the Slack guide

Async-first teams that need organized, low-noise conversations

26,085 GitHub stars

Macro Chat

#4 in the Slack guide

Channels wired into the docs, tasks, and email around them

4,782 GitHub stars
All 17 Slack alternatives8 open source Slack alternatives, ranked
by category

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Hostinger

Run Rocket.Chat on your own server

Hostinger sets Rocket.Chat up as a one-click app on a VPS.

Deploy on Hostinger

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