Mattermost is an open source, self-hosted Slack-alternative from https://mattermost.org.

It's written in Golang and React and runs as a single Linux binary with MySQL or Postgres. Every month on the 16th a new compiled version is released under an MIT license.

Code Quality Rank: L1
Monthly Downloads: 0
Programming language: TypeScript
License: GNU General Public License v3.0 or later
Tags: Group Chat     Chat     ChatOps     Communications     Environment     Platform     Ua     Useragent    
Latest version: v5.29.1

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Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. This repo is the primary source for core development on the Mattermost platform; it's written in Go and React and runs as a single Linux binary with MySQL or PostgreSQL. A new compiled version is released under an MIT license every month on the 16th.

Use it for free in Mattermost Cloud or deploy on-premises.

Learn more about the following use cases with Mattermost:

Other useful resources:

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Install Mattermost

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Native mobile and desktop apps

In addition to the web interface, you can also download Mattermost clients for Android, iOS, Windows PC, macOS, and Linux.

Google Play App Store Windows PC Mac OSX Linux

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See the [LICENSE file](LICENSE.txt) for license rights and limitations.

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Please see [CONTRIBUTING.md](./CONTRIBUTING.md). Join the Mattermost Contributors server to join community discussions about contributions, development, and more.

*Note that all licence references and agreements mentioned in the Mattermost README section above are relevant to that project's source code only.