Freemium · $10/seat/moOpen source
Mattermost
Open-source team chat.
- What is Mattermost?
- Mattermost is an open-source team messaging and collaboration platform that organizations can self-host or buy hosted.
- What does it do?
- Provides channels, direct messages, threads, file sharing, and search, plus integrations, webhooks, and bots. Adds playbooks for repeatable operational workflows, calls, SSO, compliance exports, and admin controls.
- Who is it for?
- Engineering, security, and public sector teams that need chat running inside their own infrastructure for compliance, sovereignty, or air-gapped deployment.
- What are the alternatives to Mattermost?
- Slack is the hosted incumbent; Rocket.Chat is a similar self-hostable platform; Zulip organizes conversation by topic; Element runs on Matrix for federated, encrypted chat.
Pricing
$10/seat/mo
Self-host OSS free
Freemium
About
Open source
Founder
The people behind Mattermost.
Alternatives to Mattermost
Tools that solve the same problem as Mattermost, including the ones it's listed against.