Rocket.Chat vs Zulip
Comparing two open source alternatives to Discord. Use the comparison below to decide which one fits your needs.
Rocket.Chat
MITSelf-hosted team chat with channels, threads, voice and video calls, federation, plus desktop and mobile apps.
Zulip
Apache-2.0Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.
Side-by-side comparison
| Rocket.Chat | Zulip | |
|---|---|---|
| License | MIT | Apache-2.0 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 46,375 | 26,190 |
| Forks | 14,097 | 10,551 |
| Open Issues | 4,374 | 2,067 |
| Last Commit | Nov 7, 2026 | Nov 6, 2026 |
| First Released | May 19, 2015 | Sep 25, 2015 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
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