What is the main difference between Mattermost and Rocket.Chat?

Mattermost and Rocket.Chat 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 Rocket.Chat?

The choice between Mattermost and Rocket.Chat 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 Rocket.Chat?

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

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Mattermost vs Rocket.Chat

Learn how Mattermost and Rocket.Chat 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.

Visit Mattermost Read more

39,557stars+255(+0.6%)

Last 30 days

Last commit
9 hours ago
Repository age
11 years
Version
v12.0.2
Self-hosted
Yes
Repository
mattermost

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.

Visit Rocket.Chat Read more

46,375stars+136(+0.3%)

Last 30 days

Last commit
1 day ago
Repository age
11 years
Version
8.9.1
License
MIT
Self-hosted
Yes
Repository
rocket.chat

Detailed Comparison

Both Mattermost and Rocket.Chat 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.

Comparable

Community & Popularity

Both tools have similar popularity levels, with Mattermost having 39,557 stars and Rocket.Chat having 46,375 stars on GitHub. In terms of developer contributions, Rocket.Chat has 14,096 forks, indicating strong developer engagement.

Mattermost wins

Growth Momentum

Mattermost is growing faster, adding 255 stars in the last 30 days (+0.6%) against adding 136 stars for Rocket.Chat (+0.3%). Mattermost is the smaller project of the two, so it is closing the gap rather than extending a lead.

Comparable

Development Activity

Both projects show recent activity, with Mattermost last updated 9 hours ago and Rocket.Chat 1 day ago.

Comparable

Technology Stack

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

Comparable

Project Maturity

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

Rocket.Chat wins

Licensing

Rocket.Chat is licensed under MIT, while Mattermost's license terms are not publicly specified.

Comparable

Use Cases & Features

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

Comparable