SHSelfHostIndex

Rocket.Chat vs Zulip

A side-by-side comparison of two self-hosted team chat options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
Rocket.Chat Open-source team chat and collaboration platform VS Zulip Threaded team chat that combines email and chat
FeatureRocket.ChatZulip
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score100 · Excellent97 · Excellent
CategoryTeam ChatTeam Chat
LicenseMITApache-2.0
LanguageTypeScriptPython
Setup difficultyMediumMedium
Min. RAM2,048 MB2,048 MB
Deploymentdocker, snap, kubernetesdocker, bare-metal
GitHub stars★ 46,160★ 25,944
First released20152015
ReplacesSlack, Microsoft TeamsSlack, Microsoft Teams

What are Rocket.Chat and Zulip?

Rocket.Chat

Rocket.Chat is an open-source team communication platform offering channels, direct messages, voice, video, and omnichannel support. It targets organizations wanting a self-hosted Slack alternative. It is deployed via Docker or Snap.

  • Channels, DMs and threads
  • Voice and video calls
  • Omnichannel customer support
  • Apps and integrations

Read the full Rocket.Chat guide →

Zulip

Zulip is an open-source team chat application with a unique topic-based threading model that organizes conversations clearly. It targets teams that want focused, asynchronous-friendly discussions. It is deployed via Docker or an installer.

  • Topic-based threading model
  • Great for async discussion
  • Powerful search
  • Many integrations

Read the full Zulip guide →

Rocket.Chat vs Zulip: key differences

Rocket.Chat is written in TypeScript, while Zulip is built with Python. Licensing differs — MIT for Rocket.Chat versus Apache-2.0 for Zulip.

Why pick each one

Choose Rocket.Chat if…

  • Feature-rich Slack alternative
  • Strong integrations
  • Self-hostable

Watch out for

  • Heavy resource use
  • Some features gated to paid plans
Rocket.Chat details

Choose Zulip if…

  • Excellent conversation organization
  • Strong async workflow
  • Fully open source

Watch out for

  • Threading model takes adjustment
  • Heavier install
Zulip details

Frequently asked questions

Is Rocket.Chat or Zulip better?

Neither is universally better. Rocket.Chat has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Rocket.Chat and Zulip free and open-source?

Yes. Rocket.Chat is licensed under MIT and Zulip under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Rocket.Chat and Zulip with Docker?

Rocket.Chat: yes. Zulip: yes.

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