Side-by-Side Comparison
mattermost vs zulip
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● mattermost/mattermost (39.5K)
● zulip/zulip (26K)
☆ 39.5Kmattermost stars
☆ 26Kzulip stars
+13.5KDifference
mattermostStar Leader (1.5x)
⚖️ Comparison Verdict
Star Popularity
mattermost Leads
+13.5K stars (1.5x ratio)
Forks & Derivatives
zulip Leads
10.4K total community forks
Recent Maintenance
mattermost
Pushed 2d ago
Licensing
Different
mattermost: NOASSERTION vs zulip: Apache-2.0
Side-by-Side Facts
| Metric | mattermost/mattermost ↗ | zulip/zulip ↗ |
|---|---|---|
| Description | Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.. | Zulip server and web application. Open-source team chat that helps teams stay productive and focused. |
| GitHub Stars | ☆ 39,452 | ☆ 25,999 |
| Forks | 9,074 | 10,351 |
| Open Issues | 1,093 | 2,046 |
| Main Language | TypeScript | Python |
| License | NOASSERTION | Apache-2.0 |
| Last Push | Oct 27, 2026 | Oct 6, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
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