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What is Mattermost?

Mattermost is modern communication from behind your firewall.
Mattermost is a tool in the Group Chat & Notifications category of a tech stack.
Mattermost is an open source tool with 16.9K GitHub stars and 3.7K GitHub forks. Here’s a link to Mattermost's open source repository on GitHub

Who uses Mattermost?

Companies
63 companies reportedly use Mattermost in their tech stacks, including Uber, DuckDuckGo, and pludoni GmbH - RoR.

Developers
169 developers on StackShare have stated that they use Mattermost.

Mattermost Integrations

Amazon EC2, Amazon SES, Segment, Google Compute Engine, and Jenkins are some of the popular tools that integrate with Mattermost. Here's a list of all 14 tools that integrate with Mattermost.

Why developers like Mattermost?

Here’s a list of reasons why companies and developers use Mattermost
Mattermost Reviews

Here are some stack decisions, common use cases and reviews by companies and developers who chose Mattermost in their tech stack.

Mark Nelissen
Mark Nelissen
CTO at Gemsotec bvba · | 5 upvotes · 32.8K 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.

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Aghmat Abrahams
Aghmat Abrahams
Junior Data Engineer at Impact Radius · | 5 upvotes · 20.3K 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
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Conor Myhrvold
Conor Myhrvold
Tech Brand Mgr, Office of CTO at Uber · | 4 upvotes · 46.3K views
atUber TechnologiesUber Technologies
Mattermost
Mattermost
Puppet Labs
Puppet Labs

Why we piggybacked on the open source Mattermost for Uber's chat needs, which we open sourced as uChat ( GitHub : https://github.com/uber-uchat/ -- contributing some of our changes back to Mattermost as well in the process.)

With operations in over 620 cities, it was paramount for us to identify a chat solution that would enable Uber employees to reliably communicate on desktop and mobile regardless of where they were in the world. To accomplish this, we established a few core requirements. To start, we needed something that could scale to support our growing employee population and, as a byproduct, control costs. We also needed a platform that could easily integrate with a variety of internal engineering, business, and operational tools.

While we evaluated Internet Relay Chat (IRC) and many other popular chat clients, it became clear that there was no turnkey third-party solution able to meet Uber’s core requirements.

So after testing multiple off-the-shelf alternatives, we built uChat, our custom in-house messaging platform, by leveraging open source platform Mattermost and Puppet Labs , the Uber standard for deployment configuration management. In this article, we discuss how in just three months our team transitioned the company to a new solution capable of reliably delivering over one million messages per day to tens of thousands of users, all in one unified chat environment:

https://eng.uber.com/uchat/

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rishig
rishig
Head of Product at Zulip · | 4 upvotes · 28.1K 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.

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Kirill Shirinkin
Kirill Shirinkin
Cloud and DevOps Consultant at mkdev · | 2 upvotes · 31.8K views
atmkdevmkdev
Mattermost
Mattermost
Pusher
Pusher
Twilio
Twilio

Recently we finished long research on chat tool for our students and mentors. In the end we picked Mattermost Team Edition as the cheapest and most feature complete option. We did consider building everything from scratch and use something like Pusher or Twilio on a backend, but then we would have to implement all the desktop and mobile clients and all the features oursevles. Mattermost gave us flexible API, lots of built in or easy to install integrations and future-proof feature set. We are still integrating it with our main platform but so far the team, existing mentors and students are very happy.

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Marek Isalski
Marek Isalski
Director at FAELIX · | 2 upvotes · 5.1K views
atFAELIXFAELIX
Mattermost
Mattermost

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. Mattermost

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Mattermost's Features

  • 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

Mattermost Alternatives & Comparisons

What are some alternatives to Mattermost?
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.
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.
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.
See all alternatives

Mattermost's Followers
225 developers follow Mattermost to keep up with related blogs and decisions.
pingjiang
Joël Duret
ybabel
Vyacheslav Zgordan
Patrick Chase
Zsazsadates
Jiashu Ji
Tin Bui
Andrew Danelz
Mihai Chiorean