Mattermost the open source Slack alternative

by (October 05, 2016)

Posted in Collaboration  Tags:Mattermost, Slack, Chat

There are many team collaboration tools, Slack is the first that comes to mind. It is simple to use and in many ways awesome, but it has some drawbacks - privacy and cost. Some teams prefer to keep hands on their messages. And there is open-source alternative named Mattermost.


It is very easy to start using Mattermost. You can use official Docker image:

docker run --name mattermost-preview -d --publish 8065:8065 mattermost/mattermost-preview

You can find more information in official documentation.

If you prefer canonical Docker way with one app per container, you can do this:

git clone
cd mattermost-docker
docker-compose up -d

Transferring from Slack

In Mattermost you can import your team data from Slack:

Slack -> Team Settings-> Import/Export Data -> Export
Mattermost -> Team Settings -> Import

Why would you choose Mattermost?

  • It has Desktop and Mobile clients.
  • You can use Markdown in messages.
  • Slack-compatible webhooks.
  • Non-English channel names for international teams.
  • Tags in messages.
  • Multi-Teams accounts.
  • Privacy: your messages are not transferred anywhere else, they kept inside of the company.
  • It is an open source project.

Also MatterMost was in Top 10 open source projects of 2015. Mattermost top 10 open source projects of 2015

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