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Alternatives

Best Mattermost alternatives in 2026

Mattermost is self-hosted team chat for private cloud and air-gapped networks. These 6 alternatives come from the same rankings, ordered by editorial score. Connected products carry a small, disclosed lift.

6 alternatives From best team chat software How we rank

Ranked alternatives

  1. 1

    Slack

    Also runs on Windows, macOS, Linux. The widest app and integration catalog here, with huddles, Slack Connect and a free plan that never expires. Its code is closed, and cost rises per user as a team grows.

    Best for Teams that want the largest app ecosystem

    WebWindowsmacOSLinuxiOSAndroidFree plan, paid upgrades

    93.0of 100
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  2. 2

    Zulip

    Also runs on macOS, Windows, Linux. Open source under Apache-2.0 with apps for every major desktop and phone and a free Standard plan for eligible organizations. Its integration catalog is smaller than Slack's, and self-hosting means running a server.

    Best for Open-source projects and self-hosted team chat

    WebmacOSWindowsLinuxiOSAndroidSelf-hostedFree plan, paid upgradesOpen source

    90.5of 100
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  3. 3

    Microsoft Teams

    Also runs on Windows, macOS, iOS. Chat, meetings and shared files in one app, tied into Microsoft 365 and Outlook, which is why many organizations use it by default. It is hosted only and heavier than Slack or Zulip.

    Best for Organizations already standardized on Microsoft 365

    WindowsmacOSiOSAndroidWebFree plan, paid upgrades

    89.0of 100
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  4. 4

    Zoho Cliq

    Also runs on iOS, Android. A free chat plan for teams of any size, with meetings and iOS and Android apps. External channels and call recording need the paid Standard plan, and its catalog is smaller than Slack's.

    Best for Small teams already using Zoho business apps

    WebiOSAndroidFree plan, paid upgrades

    85.0of 100
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  5. 5

    Rocket.Chat

    Open-source core under MIT, self-hostable, with web, desktop and mobile apps and commercial plans for government and defense buyers. Its enterprise code is under a separate license, and setup is left to the team.

    Best for Self-hosted chat with commercial support options

    WebSelf-hostedFree plan, paid upgradesOpen source

    84.0of 100
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  6. 6

    Element

    Also runs on Android, iOS, Windows. Matrix-based chat with end-to-end encryption, apps for all major platforms and self-hosted server options. It is less polished as a workplace tool than Slack, and organization features are paid.

    Best for Encrypted team chat on the open Matrix network

    AndroidiOSWindowsmacOSLinuxWebFree plan, paid upgradesOpen source

    82.5of 100
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Narrow the alternatives

Mattermost alternatives for Linux

Mattermost alternatives for Windows

Mattermost alternatives for macOS

Mattermost alternatives for Android

Mattermost alternatives for iOS

About Mattermost alternatives

What is the best alternative to Mattermost?
On listme.name the highest-scored alternative is Slack, followed by Zulip. The right choice depends on price, platform and whether you need open source.
Is there a free alternative to Mattermost?
Yes. Free options include Slack, Zulip, Microsoft Teams.