Team Communication
Mattermost
From FreeFree planG2 4.3 · 369 reviews
Security-sensitive and regulated organizations, and DevOps teams, that must run Slack-style chat on their own servers and want incident playbooks next to the chat.
Quick overview
- Pricing
- Free self-hosted editions; paid plans by quote
- Plans
- Two free self-hosted editions: Team Edition (open source, aimed at teams under 250 users) and Mattermost Entry (aimed at teams under 50 users, with a 10,000-message history limit). Professional, Enterprise and Enterprise Advanced are sold per activated user on prepaid annual terms, with no public prices (contact sales). A single-tenant Mattermost Cloud is also sold through sales.
- G2 rating
- 4.3 / 5.0
- Comparisons
- Featured in 1 comparison
Key features
- Self-hosted channels, threads, DMs, file sharing, calls and screen share on web, desktop and mobile
- SSO, MFA and AD/LDAP sync from Professional up
- Compliance export, eDiscovery, retention and audit logs on Enterprise
- High availability on Enterprise; air-gapped and DDIL deployment on Enterprise Advanced
- Playbooks, Boards, plugins, REST API, webhooks and bring-your-own-LLM AI agents
Pros
- Self-hosting is the default, not an add-on
- Air-gapped and DDIL deployments on Enterprise Advanced
- Playbooks and Boards built in for incident and DevOps work
- Open source core under AGPLv3 with a large plugin platform
Cons
- No public prices for any paid plan; annual prepaid only
- Version 11 cut the free Team Edition from 1,000 to 250 users
- Free Team Edition mobile push runs on a test service with no production SLA
Sarah Chen