Mattermost vs Zulip
A side-by-side comparison of Mattermost and Zulip — stars, license, self-host difficulty, deploy options, and what each replaces.
| Tagline | Open-source, self-hostable Slack alternative for secure team messaging and collaboration | Open-source team chat with a unique topic-based threading model |
| Category | Team Chat & Collaboration | Team Chat & Collaboration |
| Replaces | Slack, Microsoft Teams | Slack, Microsoft Teams |
| GitHub stars | 33k | 23k |
| Language | Go | Python |
| License | MIT | Apache-2.0 |
| Self-host difficulty | 3/5 Moderate | 3/5 Moderate |
| Deploy options | One-Click Docker Docker Compose Kubernetes Manual | Docker Compose Manual |
| Managed hosting | ||
| Last updated | 5 days ago | 4 days ago |
| View repo | View repo |
Mattermost
Open-source, self-hostable Slack alternative for secure team messaging and collaboration