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Mattermost
Mattermost

253
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271
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RocketChat

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295
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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.

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.
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Why do developers choose Mattermost?
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    What are some alternatives to Mattermost and RocketChat?
    Slack
    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
    Riot brings custom tags to all browsers. Think React + Polymer but with enjoyable syntax and a small learning curve.
    HipChat
    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.
    Gitter
    Free chat rooms for your public repositories. A bit like IRC only smarter. Chats for private repositories as well as organisations.
    Microsoft Teams
    See content and chat history anytime, including team chats with Skype that are visible to the whole team. Private group chats are available for smaller group conversations.
    See all alternatives
    Decisions about Mattermost and RocketChat
    rishig
    rishig
    Head of Product at Zulip · | 5 upvotes · 47.1K views
    atZulipZulip
    Slack
    Slack
    Mattermost
    Mattermost
    RocketChat
    RocketChat

    I use Zulip instead of Slack, Mattermost, or RocketChat because of its first class threading. One week after switching to Gmail (in 2004) I realized I was never (willingly) going to use an unthreaded email product again. I had that same experience the first time I saw Zulip.

    Zulip is also fully open-source, with a well-maintained (e.g. 90+% test coverage, fully static python), easily extensible code-base. In many companies, your communication platform (chat or email) is the center of the workplace -- no one asks for a chat integration into their calendar, they ask for a calendar integration into their chat. A fully open-source codebase means you can customize Zulip to your needs, and are never at the whim of a corporate maintainer who can't or won't fix simple bugs, or who will charge you tens of thousands of dollars for making minor customizations.

    See more
    Aghmat Abrahams
    Aghmat Abrahams
    Junior Data Engineer at Impact Radius · | 5 upvotes · 25.6K views
    Mattermost
    Mattermost
    Jira
    Jira
    GitHub
    GitHub
    OpsGenie
    OpsGenie
    Slack
    Slack

    Slack is the industry standard for managed instant messaging (IM). A good alternative would be to self (or cloud) host an open source IM such as Mattermost but as always it would be a good idea to do a cost benefit analysis between the solutions.

    Some of the main things to consider:

    • Having a good SDK for plugin creation
    • Having good integrations with existing tools ( JIRA , GitHub , OpsGenie , etc.)
    • Cost
    • Maintenance and administration
    • Covers all your businesses use cases
    See more
    Mark Nelissen
    Mark Nelissen
    CTO at Gemsotec bvba · | 5 upvotes · 65K views
    Slack
    Slack
    HipChat
    HipChat
    Stride
    Stride
    Skype
    Skype
    Mattermost
    Mattermost

    I use Slack because it offers the best experience, even on the free tier (which we're still using). As a comparison, I have had in depth experience with HipChat, Stride, Skype, Google Chat (the new service), Google Hangouts (the old service). For self hosted, Mattermost is open source and claims to support most Slack integrations, but I have not extensively investigated this claim.

    See more
    Interest over time
    Reviews of Mattermost and RocketChat
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    How developers use Mattermost and RocketChat
    Avatar of FAELIX
    FAELIX uses MattermostMattermost

    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.

    Avatar of Sodep
    Sodep uses RocketChatRocketChat

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

    Avatar of Shiqiang Yu
    Shiqiang Yu uses RocketChatRocketChat

    Inform when CI/CD and live demo is up

    How much does Mattermost cost?
    How much does RocketChat cost?
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