Linux · Internet & Browsers
Mattermost
An open source platform for developer collaboration
by Mattermost, Inc.
Official site: flathub.org
About Mattermost
Mattermost is a secure collaboration platform that is open,
flexible, and deeply integrated with the tools you love.
An alternative to SaaS collaboration solutions,
Mattermost is built explicitly for developer teams, tools, and workflows.
It is written in Golang and React and runs as a production-ready Linux binary
under an MIT license with either MySQL or Postgres.
How to install Mattermost
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub com.mattermost.Desktop
- Open Mattermost once it finishes installing.
Frequently asked questions
Is Mattermost free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Mattermost is available to download. Flatnic doesn't host or modify any files.
How do I install Mattermost from the command line?
With Flatpak, run: flatpak install flathub com.mattermost.Desktop. This installs it from the official source and keeps it updated.
Is Mattermost safe?
Mattermost downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.
