#49 in Collaboration & CommunicationUpdated 2026-08

Mattermost

by Mattermost · Self-hosted collaboration and workflow automation for high-security teams

35.9 — BenchRank score out of 100

Homepage
Pricing page

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Overview

Mattermost is a collaboration platform that combines messaging channels, playbook automation, audio calls with screen sharing and Kanban boards. It can run on-premise, in private or sovereign cloud, or in air-gapped networks, and extends through an open API, webhooks, plugins and connections to your own LLMs. Access controls, audit trails and compliance export are configured in the platform.

Best for: Security, defence and critical infrastructure teams needing self-hosted, controlled collaboration.
Pricing: No prices are shown; Professional, Enterprise and Enterprise Advanced are all quoted by sales, with a free limited-use Entry edition for technical evaluation.
Runs on: WebiOSAndroidLinuxSelf-hosted

Strengths and trade-offs

Strengths

Runs on-premise, in private cloud or in air-gapped networks
Open API, webhooks, plugins and bring-your-own LLM support
Channels, playbooks, calls and Kanban boards in one platform
Interoperates with Microsoft Teams, GitLab and Atlassian

Trade-offs

No published prices; every plan requires a sales conversation
Professional is capped at 250 users
Playbooks, Boards and compliance export need Enterprise or above
Self-hosted and air-gapped options mean you run the infrastructure

Pricing

Published plans from Mattermost’s own pricing page, in USD. Usage charges and add-ons may apply on top.

Mattermost pricing tiers, monthly rates in USD
Plan	Monthly	Includes
Professional	Contact sales	Channel-based messaging, threads and file sharing 1:1 and group audio calls with screen sharing MFA, single sign-on and AD/LDAP user sync Maximum 250 users
Enterprise	Contact sales	Collaborative playbooks, boards and workflow dashboards Compliance export, eDiscovery, legal hold and data retention High availability clustering, scale to 50,000 concurrent users Sovereign AI agents, MCP connector and Teams messaging integration
Enterprise Advanced	Contact sales	Air-gapped deployment and offline operation with resync Attribute-based access controls and zero trust channel access Classification banners, burn-on-read and data spillage handling Mobile biometrics, encryption at rest and jailbreak detection

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 0 out of 100
API quality: 15 out of 100
Documentation: 80 out of 100
Agent friendliness: 65 out of 100
Pricing transparency: 20 out of 100
Changelog: 0 out of 100
Marketing site structure: 65 out of 100
Operational trust: 80 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 85 out of 100
Maintenance: 100 out of 100

This doesn’t look right — report a problem with Mattermost’s score

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