Mattermost
Open-source, self-hosted Slack alternative for secure team communication.
⭐ 4.1/5Free Tier AvailableOpen SourceFounded 2016
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About Mattermost
Mattermost is an open-source messaging platform that provides a secure, self-hosted alternative to Slack. It's popular among organizations with strict security requirements, including government agencies and financial institutions. Mattermost offers channels, direct messaging, file sharing, and integrations while keeping all data under your control.
Mattermost Interface Preview
Pricing at a Glance
| Free Tier | Lowest Paid | Enterprise |
|---|---|---|
| Free (self-hosted) | $10/user/mo | Custom pricing |
Key Features
✓Channels
✓Direct messaging
✓File sharing
✓Integrations
✓Playbooks
✓Boards
✓Self-hosting
✓DevOps tools
✓SSO/LDAP
✓Compliance
Use Cases
- • Communication workflow optimization
- • Mattermost onboarding for new teams
- • Reducing manual tasks with Mattermost automations
Popular Integrations
SlackGoogle WorkspaceZapierHubSpotSalesforce
Pros & Cons
👍 Pros
- ✓Open source
- ✓Self-hosted
- ✓High security
- ✓Slack-like interface
👎 Cons
- ✗Requires hosting
- ✗Fewer integrations
- ✗Complex setup
- ✗Smaller ecosystem
User Reviews & Testimonials
“We switched in under a week and cut software spend materially while keeping the same workflow quality.”
“The comparison + pricing context made this an easy decision. Great shortlist quality.”
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