Starting at Custom
Has a free plan (Mattermost doesn't)
4 alternatives compared · Mattermost pricing starts at custom pricing · ✓ verified 39h ago
If Mattermost isn't the right fit for your team chat needs — whether the price (custom pricing) doesn't match your budget, the feature set is too thin, or you want to avoid vendor lock-in — there are 4 legitimate alternatives in this category. Below we rank them by our StackScore (a weighted blend of price, feature coverage, and free-tier value), with verified pricing pulled directly from each vendor's live page.
The top alternative right now is Microsoft Teams Essentials at Custom. Below that, you'll find 3 additional options ranging from free-plan options to premium tools — each linked to its full pricing breakdown plus a head-to-head comparison against Mattermost.
Starting at Custom
Has a free plan (Mattermost doesn't)
Starting at Custom
Has a free plan (Mattermost doesn't)
Starting at $2.99/mo
Has a free plan (Mattermost doesn't)
Starting at $10/mo
Has a free plan (Mattermost doesn't)
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Team chat pricing in 2026 is a commoditization story. Microsoft Teams Essentials at $4/user/mo annual undercuts everyone — if your team doesn't need Slack-specific features (Workflow Builder, third-party integrations), Teams is dramatically cheaper. Slack Pro at $8.75/user/mo annual is 2.2x Teams but wins on third-party app integrations (Zapier, Notion, etc.) and UX polish. Discord remains the community/gaming-first free option that some dev teams adopt. Rocket.Chat and Mattermost compete on self-hosting for data sovereignty. Enterprise Grid pricing is opaque and negotiable.
Answer three questions. First: are you already in Microsoft 365 or Google Workspace? If Microsoft 365, Teams is free or included in your Business Standard ($12.50/user/mo). If Google Workspace, consider Google Chat (free, included). No need for a separate chat subscription. Second: do you need third-party app integrations? Slack wins on ecosystem — 2,600+ apps vs Teams' 1,200+. Third: data sovereignty / self-hosting requirements? Rocket.Chat Starter (free, up to 50 users) or Mattermost self-hosted — both offer enterprise-grade features without cloud commitment.
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