# Zulip privacy rating

Open source team chat that organizes conversations into channels and named topics. It can be self-hosted or used as the Zulip Cloud service run by Kandra Labs.

## Summary

Zulip scores 65 out of 100 (grade C) on the team chat criteria. It meets 2 of 4 criteria: open source and no ads or data sales. It partly meets no trackers or telemetry. It does not meet independent audit. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.

- Website: https://zulip.com
- Source code: https://github.com/zulip/zulip
- License: Apache-2.0
- Jurisdiction: United States. Five Eyes member. Subject to the US CLOUD Act.
- Home page trackers: none found
- Category: [Team chat](https://privacyratings.com/team-chat/)
- Grade: C (65/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | Apache-2.0. | https://github.com/zulip/zulip/blob/main/LICENSE |
| No trackers or telemetry | Partial | No third-party trackers were found on the website, but self-hosted servers using the push notification service send usage statistics by default, which admins can turn off. | https://zulip.readthedocs.io/en/latest/production/mobile-push-notifications.html |
| No ads or data sales | Yes | Funded by paid Cloud plans and self-hosted support contracts; the privacy policy states personal data is not sold. | https://zulip.com/plans/ |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/team-chat/zulip/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/team-chat/zulip.md