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BetterOpenSource

Rocket.Chat vs Zulip

A side-by-side comparison of two open-source tools to help you choose the right one.

Feature
SummaryA customizable communications platform.Threaded team chat that scales with focus.
GitHub stars42K22K
LicenseMITApache 2.0
LanguageTypeScriptPython
PricingFree & Open SourceFree & Open Source
Self-hostable
ReplacesSlack, Microsoft TeamsSlack, Discord
Rating4.4 / 54.5 / 5

Rocket.Chat 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

Zulip features

  • Topic-based threading within channels
  • Powerful search and keyboard navigation
  • Markdown, code blocks, and LaTeX
  • Integrations and incoming webhooks
  • Self-hosted or cloud

Rocket.Chatpros & cons

Pros

  • Doubles as a customer engagement hub
  • Highly customizable and extensible
  • Large ecosystem

Cons

  • Broad feature set adds complexity
  • Resource-hungry at scale

Zulippros & cons

Pros

  • Best-in-class for async clarity
  • Excellent for large communities
  • Fully open and self-hostable

Cons

  • Threading model takes adjustment
  • UI is dense for newcomers

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