Colanode vs Mattermost
Comparing two open source alternatives to Slack . Use the comparison below to decide which one fits your needs.
Colanode
Apache-2.0Open source, local-first Slack and Notion alternative that puts you in control of your data with offline support and end-to-end encryption.
Mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Side-by-side comparison
| Colanode | Mattermost | |
|---|---|---|
| License | Apache-2.0 | — |
| Self-hostable | Yes | No |
| GitHub Stars | 4,923 | 38,114 |
| Forks | 308 | 8,758 |
| Open Issues | 45 | 920 |
| Last Commit | Apr 3, 2026 | Jun 19, 2026 |
| First Released | Jul 29, 2024 | Jun 15, 2015 |
| Categories | ||
| Tags | — | — |
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