What is the main difference between Mattermost and Zulip?

Mattermost and Zulip are both team chat & messaging tools but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: Mattermost or Zulip?

The choice between Mattermost and Zulip depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from Mattermost to Zulip?

Migration between Mattermost and Zulip is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

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Mattermost vs Zulip

Learn how Mattermost 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.

Mattermost

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

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39,427stars+238(+0.6%)

Last 30 days

Last commit
13 hours ago
Repository age
11 years
Version
v12.0.1
Self-hosted
Yes
Repository
mattermost

Zulip

Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.

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26,109stars+157(+0.6%)

Last 30 days

Last commit
1 day ago
Repository age
11 years
Version
12.3
License
Apache-2.0
Self-hosted
Yes
Repository
zulip/zulip

Detailed Comparison

Both Mattermost and Zulip have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Mattermost wins

Community & Popularity

Mattermost leads in popularity with 39,427 stars vs 26,109 stars for Zulip. The 51% higher star count indicates stronger community adoption. In terms of developer contributions, Zulip has 10,473 forks, indicating strong developer engagement.

Comparable

Growth Momentum

Mattermost and Zulip are moving at much the same rate, adding 238 stars and adding 157 stars respectively over the last 30 days (+0.6% vs +0.6%). Neither is pulling away from the other on momentum alone.

Comparable

Development Activity

Both projects show recent activity, with Mattermost last updated 13 hours ago and Zulip 1 day 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: Mattermost uses JSX, Golang, SCSS while Zulip leverages Python, Ruby.

Comparable

Project Maturity

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

Zulip wins

Licensing

Zulip is licensed under Apache-2.0, while Mattermost's license terms are not publicly specified.

Comparable

Use Cases & Features

Both tools serve similar use cases in Team Chat & Messaging. However, they also have distinct specializations: Mattermost also focuses on Collaborative Workspaces, Encrypted Communication.

Comparable