Trouble Shooting

The Troubleshooting forum is a peer-to-peer forum for helping to solve installation and configuration issues from the Mattermost community.

General Questions

General questions about Mattermost that don't fall under another topic. If the question is asked repeatedly, or if it pertains to an issue that will persist with Mattermost (versus something that gets solved), the topic may migrate to Frequently Asked Questions.


Updates from the Mattermost core team. We'll try to be concise and informative.

Frequently Asked Questions

[Frequently asked questions to help the community install, deploy and modify Mattermost]

Developer Discussion

Discuss developer questions related to contributing code, working with Mattermost APIs or other developer-specific topics:

Enterprise Edition

Discussion, questions, troubleshooting and feature ideas about Mattermost Enterprise Edition:

Professional Services

This category is for connecting people who want to deploy Mattermost with knowledgeable professionals who can help with the deployment:


This top level category is for non-English Mattermost communities to discuss and ask questions about Mattermost within the English-language forum.


Discussion about this site, its organization, how it works, and how we can improve it.

Accepting Pull Requests

Accepting Pull Requests is used to discuss accepting pull request projects

Office Hours

Office Hours are regular times in the week the Mattermost core team meets with members of the community over Google Hangouts to answer questions and hear community feedback.

Mattermost is an open-source, self-hostable online chat service with file sharing, search, and integrations. It is designed as an internal chat for organisations and companies, and mostly markets itself as an open-source alternative to Slack and Microsoft Teams. Job openings at Mattermost. Senior Front End React Native Engineer (Remote).


Open Source Software Licensing

Mattermost Team Edition server
– Offered under an MIT License

Mattermost Enterprise Edition server
– Please see Commercial Enterprise Edition License

Mattermost iOS and Android applications
– Offered under Apache License v2.0

Mattermost Web Application
– Offered under Apache License v2.0

Mattermost Windows, Mac and Linux applications
– Offered under an Apache License v2.0

Easy mockups. Mattermost integrations, installers and drivers
– supported integrations, installers and drivers are offered under Apache License v2.0
– Community integrations, installers and drivers offered under various licenses

Mattermost Documentation
– Documentation is offered under a Creative Commons CC BY-NC-SA 3.0 license

Mattermost /mattermost-server source code
– Offered under Free Software Foundation’s GNU AGPL v.3.0 (if you choose not to use the MIT licensed server and instead compile your own server from source code, you must share enhancements back to the community)


Mattermost trademark
– Please see Mattermost Trademark Policy.

Open Source Licensing Policy

Our licensing benefits IT organizations and end users seeking an open source, self-hosted alternative to proprietary SaaS solutions for team messaging.

The compiled Mattermost Team Edition server, including source code and binaries for the mobile and desktop apps, are offered under either an MIT or Apache Version 2.0 license. We expect 99% of users to deploy Mattermost Team Edition this way.


For the 1% of users who choose not to use the MIT licensed server, and instead compile their own server using the /mattermost-server source code offered under an AGPL v3.0 license, their enhancements must be open sourced, so 100% of the community can benefit.

Mattermost Download

To avoid confusion, derivative open source servers created by the 1% are required to use their own distinct name and logos, and may not use the Mattermost name or logos, which are trademarked.