Mattermost vs RocketChat

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Mattermost vs RocketChat: What are the differences?

Developers describe Mattermost as "Open-source, self-hosted, Slack alternative". Mattermost is modern communication from behind your firewall. On the other hand, RocketChat is detailed as "Open source slack alternative". Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms..

Mattermost and RocketChat belong to "Group Chat & Notifications" category of the tech stack.

Some of the features offered by Mattermost are:

  • All your team communication in one place, searchable and accessible anywhere
  • Slack-compatible, not Slack-limited. Imports Slack channels, users and themes. Offers Slack-compatible webhooks and integrations including Hubot, Jenkins, GitLab and others
  • Self-host ready with System Console and IT admin tools for managing dozens of team sites. Installs with Linux binary, plus Docker, Heroku, AWS, Azure and Cloud Foundry options

On the other hand, RocketChat provides the following key features:

  • BYOS (bring your own server)
  • Multiple Rooms
  • Direct Messages

"Open source" is the primary reason why developers consider Mattermost over the competitors, whereas "Open source " was stated as the key factor in picking RocketChat.

Mattermost and RocketChat are both open source tools. RocketChat with 23.3K GitHub stars and 5K forks on GitHub appears to be more popular than Mattermost with 15.4K GitHub stars and 3.14K GitHub forks.

According to the StackShare community, Mattermost has a broader approval, being mentioned in 38 company stacks & 24 developers stacks; compared to RocketChat, which is listed in 34 company stacks and 12 developer stacks.

Decisions about Mattermost and RocketChat
Christopher Semmler
CEO at Leonis Holding · | 2 upvotes · 6.6K views

Mattermost sports higher performance, uses Postgres, is a pure server side application not using uo too much resources on the client side and in general gives an overall enterprise grade impression.

Updates go smooth without a hassle, everything is logical, and the integration in the OS is absolutely stable. Apart from that, the underlying runtimes and code are mature, proven and stable.

The developers are maybe a bit more cautious regarding introducing new features, but they maintain a stable experience, not breaking the codebase in order to hastily implement new features, which are not yet ready for production. Documentation and debugging are fantastic, so running this in enterprise production environment is absolutely approved of.

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Luke Carr
CEO at Omnio Interactive · | 16 upvotes · 150K views

We tried out a handful of communication tools including Slack, Microsoft Teams, and Google Hangouts Chat, before settling with Mattermost.

The customisability offered through your server's system console is unrivalled and in some ways overwhelming with the sheer amount of options that you're provided with.

All communication tools share 99% of their UI with each other, and Mattermost is no different, but that's not a bad thing. It also seems to have a less cluttered interface than the others we had tried, although I can't pinpoint the specific design choice that is the reason for this.

The fact that we can have control over all of our data (we're self-hosting it through AWS on a single EC2 instance) is also a great plus which none of the options that we looked into offered.

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Stefan Schuchlenz

We chose RocketChat over other communications suites like Cliq or Slack mainly because we can self-host it on our own infrastructure. Since we have quite some projects going on which demand that we stay in touch with a lot of different stakeholders, pricing was an issue, too. With RocketChat, we have a huge set of features basically for free, RC offers apps for all major devices and systems and overall, we're very happy with it. The only downside is the limited amount of apps and integrations, but we can make due with what we have available.

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Pros of Mattermost
Pros of RocketChat
  • 54
    Open source
  • 38
    On-premise deployment
  • 25
  • 22
    Built using golang
  • 19
    Fast and easy to use
  • 14
    Full text search
  • 13
    Docker image provided for easy setup
  • 12
    Built using react
  • 11
    Search and data archiving
  • 9
    Very professional
  • 9
    Supports multiple teams
  • 8
    Keeps us focused, effective, concise
  • 7
    Webhooks support
  • 6
    Integration with Gitlab
  • 6
    Clean and simple look
  • 5
    Well documented
  • 5
    Use #Hashtags like Twitter
  • 3
    Import Slack logs
  • 3
    Reactive community and ease of use
  • 2
    Self managed data
  • 1
    Easy webhook integration
  • 1
    On-premises Deployment
  • 1
  • 1
    Slack-compatible integrations
  • 0
    On premise installation
  • 70
    Open source
  • 37
    Can be deployed on premise
  • 32
    Byos (bring your own server)
  • 30
    Faster than Slack
  • 20
    Mobile app for iphone, ipad, and ipod touch
  • 19
    Built using meteor
  • 19
    Desktop client for mac and windows
  • 13
    Easily deployed on Cloud Services (Heroku, etc)
  • 10
    Screen Sharing
  • 9
    Excellent support & service, bar-none
  • 6
    Video and audio
  • 5
    Open source
  • 5
    Amazing product, fast moving development, and BYOS
  • 5
    Web client
  • 5
    Multiple Security integrations - LDAP etc
  • 5
    Docker Image for easy setup
  • 5
    Mobile app for android phone, tablet, and tv stick
  • 4
  • 4
    Great development team
  • 4
  • 2
    Love it - running on R Pi 2
  • 2
    Open source server
  • 1
    Linux Client Support
  • 1
    Flexible Integrations
  • 1
    Ldap integration
  • 1
    Slack bridge
  • 1
    Broadcast & Readonly channels
  • 0
    Threading model

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Cons of Mattermost
Cons of RocketChat
  • 1
    Basic permissions only in enterprise edition
  • 1
    Custom sidewide themes only in enterprise
  • 1
    Many basic features are enterprise only
  • 1
    Less integrations and plugins than slack
  • 1
    Not as well-known as others like it

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What is Mattermost?

Mattermost is modern communication from behind your firewall.

What is RocketChat?

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms.

Need advice about which tool to choose?Ask the StackShare community!

What companies use Mattermost?
What companies use RocketChat?
See which teams inside your own company are using Mattermost or RocketChat.
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What tools integrate with Mattermost?
What tools integrate with RocketChat?

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What are some alternatives to Mattermost and RocketChat?
Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s Slack. All your messages. All your files. And everything from Twitter, Dropbox, Google Docs, Asana, Trello, GitHub and dozens of other services. All together.
Riot brings custom tags to all browsers. Think React + Polymer but with enjoyable syntax and a small learning curve.
HipChat is a hosted private chat service for your company or team. Invite colleagues to share ideas and files in persistent group chat rooms. Get your team off AIM, Google Talk, and Skype — HipChat was built for business.
Free chat rooms for your public repositories. A bit like IRC only smarter. Chats for private repositories as well as organisations.
Zulip is powerful, open source team chat that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip allows busy managers and others in meetings all day to participate in their teams chats.
See all alternatives
How developers use Mattermost and RocketChat

It is no secret that we use Mattermost at Faelix — after all, it is a product we already support to be able to offer it to our customers. And like many network operators we use Oxidized to track and log changes to our routers and switches, even when those changes are made by automation tools.

As part of our move to using more ChatOps within the business I wanted to get visibility of network changes within our network operations channel in Mattermost. A quick and dirty script achieved this.

Sodep uses

Perfect solution for rich content group chat plus self hosted secure IM solution.

Shiqiang Yu uses

Inform when CI/CD and live demo is up