Rocket.Chat vs Zulip
Both Rocket.Chat and Zulip are self-hosted alternatives to Discord, Google Chat and Slack. Both are filed under Communication - Custom Communication Systems.
Side by side
| Field | Rocket.Chat | Zulip |
|---|---|---|
| Description | Communications platform that puts data protection first. | Powerful group chat application. |
| GitHub stars | 46,357 | 26,154 |
| License | MIT | Apache-2.0 |
| Platforms | Nodejs, Docker, K8S | Python |
| Latest release | 9.0.0-rc.3, 31 October 2026 | 13.0-rc1, 30 October 2026 |
| Repository activity | 31 October 2026 | 1 November 2026 |
| Health | Active | Active |
| Categories | Communication - Custom Communication Systems | Communication - Custom Communication Systems |
| Website | https://rocket.chat/ | https://zulip.org |
| Source code | https://github.com/RocketChat/Rocket.Chat | https://github.com/zulip/zulip |
Where the records differ
Computed from the two records above: a line appears only where the dataset states a figure, a date or a set relation, and no line recommends one application over the other.
- Rocket.Chat has more GitHub stars in the dataset, 46,357 against 26,154.
- Zulip recorded repository activity more recently, 1 November 2026 against 31 October 2026.
- Rocket.Chat has the newer release on record: 9.0.0-rc.3, 31 October 2026, against 13.0-rc1, 30 October 2026.
- Licenses differ: Rocket.Chat is listed under MIT; Zulip under Apache-2.0.
- Platforms differ: Rocket.Chat lists Nodejs, Docker, K8S; Zulip lists Python.
- Both are filed under the same categories: Communication - Custom Communication Systems.