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Best Mattermost Alternatives in 2026

These are the 5 closest tools to Mattermost that we track, ordered by what they cost to start. Each entry says how its pricing differs from Mattermost's — based on the numbers we hold, not on who pays us. We do not publish a quality score, because we do not have one we can stand behind. The cheapest verified option is Microsoft Teams at $6/user/mo.

Why people leave Mattermost

  • Ecosystem of integrations is smaller than Slack's
  • You carry the upgrade and backup burden
  • Mobile apps lag behind commercial rivals

These are the drawbacks listed in our own Mattermost review — not complaints we invented for this page.

  1. 1
    Microsoft Teams

    Corporate collaboration.

    vs Mattermost: priced differently ($6/user/mo vs Free tier).

  2. 2
    Slack

    Digital headquarters for teams.

    vs Mattermost: priced differently ($7/user/mo vs Free tier).

  3. 3
    HEY Email

    Rethink your email.

    vs Mattermost: priced differently ($8/user/mo vs Free tier).

  4. 4
    Loom

    Async video messages.

    vs Mattermost: priced differently ($12/user/mo vs Free tier).

  5. 5
    Zoom

    Video calls.

    vs Mattermost: priced differently ($14/user/mo vs Free tier).