Mattermost provides team messaging you can self-host. Slack alternative for organizations that need data control-chat on your infrastructure. Self-hosting keeps conversations private. The features match commercial alternatives. Enterprise features exist. Organizations needing private team chat choose Mattermost for self-hosted messaging.

Available on: Web, iOS, Android, Windows, macOS, Linux

Louis Corneloup Updated Jul 20, 2026 · how we evaluate Source mattermost.com ↗

Ratings Across the Web

4.3 (604 reviews)

Mattermost holds an aggregate rating of 4.3 out of 5 from 604 reviews across SourceForge, G2 and Capterra, last checked September 17, 2026.

SourceForge 67 reviews

What people say

“Screen sharing, calling and video conferencing option is not available which makes us dependent on other apps.” via SourceForge

Ratings aggregated from independent review platforms. Learn more

Key Features

Team collaboration
Self-hosted
Channels
Integrations
DevOps
Open source

Pricing Plans

Free Trial

Pricing checked Sep 30, 2026

Mattermost plans and prices, checked September 2026
Plan	Price	Details
Free	$0	Self-hosted Up to 250 users Basic messaging
Professional	$10/user/month	AD/LDAP sync SSO Guest accounts
Enterprise	Custom	Custom compliance EMM support 24/7 support

Calculate your cost View full pricing

Is Mattermost worth the price?

Good value

Mattermost's pricing is fair, offering a generous Free tier for small teams.

The Professional tier at $10/user/month is competitive for essential enterprise features. It's best suited for organizations prioritizing self-hosting and open-source flexibility.

Full Mattermost pricing: every plan, hidden costs and alternatives

How Mattermost's pricing compares

At $10/user/mo, Mattermost is the most premium of its 4 comparable direct competitors.

$2.50

$6.25

$8.75

Mattermost

$10

Entry paid plan, monthly, per user. Pricing checked Sep 30, 2026.

Reviews

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4.3/5

Across 604 verified user reviews on G2, Capterra, SourceForge

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Best Mattermost Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

Microsoft Teams Freemium

Unite chat, meetings, and files with Microsoft 365

4.4

Slack Freemium

Central hub for workplace communication and collaboration

4.2

Zoom Freemium

Connect, communicate, and collaborate with HD video meetings

3.4

Nextcloud Freemium

Open source content collaboration platform for secure, self-hosted data control and remote teamwork.

4.5

Discord Freemium

Your place to talk and hang out

3.7

Troop Messenger Freemium

AI-first team collaboration and instant messaging app for enterprises.

4.7

See all communication tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

All Mattermost alternatives 6+ tools ranked, pricing + verdict per pick Mattermost vs Microsoft Teams Head-to-head: features, pricing, who wins Mattermost vs Slack Head-to-head: features, pricing, who wins Mattermost vs Zoom Head-to-head: features, pricing, who wins

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Mattermost FAQ

How does Mattermost ensure data privacy for team communications?

Mattermost ensures data privacy by allowing organizations to self-host their team messaging, keeping conversations on their own infrastructure. This self-hosting capability is a key feature for organizations that require strict data control and compliance.

Which teams benefit most from using Mattermost?

Teams that prioritize data control, compliance, and the ability to self-host their communication platform benefit most from Mattermost. It is particularly well-suited for organizations that need private team chat and want to avoid per-user cloud costs.

How is Mattermost priced?

Mattermost is available on a free tier, providing basic functionality for teams. For organizations requiring more extensive usage and advanced features, paid plans are offered.

Can Mattermost be customized to fit specific organizational needs?

Yes, Mattermost is highly customizable due to its open-source nature. This allows organizations to tailor the platform to their specific workflows and requirements, which is a significant advantage for those needing bespoke solutions.

What kind of trade-offs should users consider when choosing Mattermost over a competitor like Slack?

When choosing Mattermost over a competitor like Slack, users should consider that Mattermost may be less polished and has a smaller integration library. Additionally, self-hosting, while offering data control, requires a learning curve and a smaller community for support.

Does Mattermost support enterprise-level features?

Yes, Mattermost includes enterprise features designed to meet the demands of larger organizations. These features support advanced use cases for businesses requiring robust team collaboration tools.

Source: mattermost.com

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