Team Chat & Video Meetings
Mattermost
Open-source, self-hostable team chat for security-sensitive and technical teams.
4.4· 168 reviews· via CapterraFounded 2016 · Palo Alto, CA
What is Mattermost?
Mattermost is an open-source, self-hostable messaging and collaboration platform aimed at security-conscious, technical, and regulated organizations. It offers Slack-style channels plus workflow and DevOps tooling, with on-premise deployment for full data control.
Best known for: Self-hostable open-source team chat for secure environments
Key features
- Self-hosted, on-premise deployment
- Open-source collaboration platform
- Channel-based team messaging
- Playbooks and workflow automation
- Developer and DevOps integrations
- Enterprise security and compliance controls
Who Mattermost is best for
- Self-hosted data control
- Developer and DevOps teams
- Regulated or air-gapped environments
Ideal team: Technical and security-focused teams needing on-premise messaging they fully own.
Mattermost pricing
Free
$0
- Self-hosted
- Unlimited history
- Open source
Popular
Professional
$10/per user / mo
- SSO and LDAP
- Guest accounts
- MFA enforcement
Enterprise
Custom
- Advanced compliance
- High availability
- Priority support
Costs to watch before you commit
- Self-hosting means you carry server and maintenance costs
- Paid plans billed annually per seat, no monthly option
- Requires technical staff to deploy and upgrade
Top Mattermost alternatives
Popular Team Chat & Video Meetings tools teams evaluate alongside Mattermost.
Troop MessengerSecure team chat with video, screen share, and self-hosted deployment options.
SlackChannel-based team messaging with huddles, clips, and deep app integrations.
DiscordPersistent voice, video, and text channels for communities and casual teams.
ChantySimple, affordable team chat with built-in tasks and video calls.
PumbleFree unlimited team chat with affordable paid video and history.