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Rocket.Chat vs Zulip

Learn how Rocket.Chat and Zulip differ in their key features, development activity, technology stack and community adoption, so you can decide which of these team chat & messaging tools is best for you.

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Rocket.Chat

Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
46,516stars+236(+0.5%)

Last 30 days

  • Last commit

    1 day ago
  • Repository age

    12 years
  • Version

    9.0.0
  • License

    MIT
  • Self-hosted

    Yes
  • Repository

    rocket.chat
Screenshot of Rocket.Chat

Zulip

Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.
26,234stars+180(+0.7%)

Last 30 days

Screenshot of Zulip

Detailed Comparison

Rocket.Chat appears to have several advantages over Zulip, particularly in popularity and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Rocket.Chat wins
Community & Popularity

Rocket.Chat leads in popularity with 46,516 stars vs 26,234 stars for Zulip. The 77% higher star count indicates stronger community adoption. In terms of developer contributions, Rocket.Chat has 14,148 forks, indicating strong developer engagement.

Comparable
Growth Momentum

Rocket.Chat and Zulip are moving at much the same rate, adding 236 stars and adding 180 stars respectively over the last 30 days (+0.5% vs +0.7%). Neither is pulling away from the other on momentum alone.

Comparable
Development Activity

Both projects show recent activity, with Rocket.Chat last updated 1 day ago and Zulip 2 days ago.

Comparable
Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript. However, they differ in their additional technology choices: Rocket.Chat uses JSX, SCSS, Meteor while Zulip leverages Python, Ruby.

Comparable
Project Maturity

Both projects started around the same time, with Rocket.Chat beginning 12 years ago and Zulip 11 years ago.

Rocket.Chat wins
Licensing

Rocket.Chat uses the MIT license, which is more permissive than Zulip's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

Comparable
Use Cases & Features

Both tools serve similar use cases in Team Chat & Messaging. However, they also have distinct specializations: Rocket.Chat also focuses on Collaborative Workspaces, Video Conferencing & Virtual Office.

Comparable
Hosting & Deployment

Both Rocket.Chat and Zulip offer self-hosting capabilities, giving you full control over your data and infrastructure.