Mattermost
About Mattermost
Mattermost Desktop is a native application built on Electron for accessing Mattermost, an open source collaboration platform. It provides a dedicated interface for teams to communicate and collaborate across Windows, Mac, and Linux systems.
The application integrates with desktop environments to offer notifications, server management, and streamlined access to Mattermost features like Channels, Boards, and Playbooks. It runs in the background to minimize open windows while maintaining connectivity.
Summary based on the project's official README and description.
Key features
- Server dropdown for managing multiple Mattermost servers
- Dedicated tabs for Channels, Boards, and Playbooks
- Desktop notifications for alerts and messages
- Badges indicating unread channels and mentions
- Deep linking to open Mattermost URLs directly in the app
- Background operation to reduce window clutter
Download v6.2.2
Jun 23, 2026WindowsWindows
macOSmacOS
arm64 · mattermost-desktop-6.2.2-mac-arm64.dmg115.0 MBarm64 · mattermost-desktop-6.2.2-mac-arm64.zip110.3 MBuniversal · mattermost-desktop-6.2.2-mac-universal.dmg207.1 MBuniversal · mattermost-desktop-6.2.2-mac-universal.zip199.7 MBx64 · mattermost-desktop-6.2.2-mac-x64.dmg121.5 MBx64 · mattermost-desktop-6.2.2-mac-x64.zip116.9 MB
LinuxLinux
arm64 · mattermost-desktop-6.2.2-linux-aarch64.flatpak79.7 MBarm64 · mattermost-desktop-6.2.2-linux-aarch64.rpm76.9 MBarm64 · mattermost-desktop-6.2.2-linux-arm64.AppImage119.3 MBarm64 · mattermost-desktop-6.2.2-linux-arm64.tar.gz112.4 MBx64 · mattermost-desktop-6.2.2-linux-x64.tar.gz112.4 MBx64 · mattermost-desktop-6.2.2-linux-x86_64.AppImage119.0 MBx64 · mattermost-desktop-6.2.2-linux-x86_64.flatpak85.0 MBx64 · mattermost-desktop-6.2.2-linux-x86_64.rpm81.8 MBx64 · mattermost-desktop_6.2.2-1_amd64.deb93.8 MBarm64 · mattermost-desktop_6.2.2-1_arm64.deb88.6 MB
Frequently asked questions
- Is Mattermost free?
- Yes. Mattermost is free and open-source software, distributed under the Apache-2.0 license.
- Which platforms does Mattermost support?
- Mattermost provides downloads for Windows, macOS, Linux.
- What is the latest version of Mattermost?
- The latest version is v6.2.2, released on Jun 23, 2026.
- What platforms does Mattermost Desktop support?
- It runs on Windows, macOS, and Linux operating systems.
- How do I install Mattermost Desktop?
- Download the installer from the official downloads page or GitHub releases, then run it. On first launch, enter your Mattermost server URL.
- Can I customize the data directory location?
- Yes, launch the app with the --data-dir flag followed by your preferred path for platform-specific command syntax.
- Is Mattermost Desktop open source?
- Yes, the application is open source and contributions are welcome via the developer guide.