# BigBlueButton privacy rating

Self-hosted web conferencing system for online classes, with whiteboard, shared notes, breakout rooms, polls and recording, often integrated with learning management systems.

## Summary

BigBlueButton scores 47 out of 100 (grade D) on the video calls criteria. It meets 4 of 7 criteria: open source, no ads or data sales, join without an account and self-hostable. It does not meet no trackers or telemetry, independent audit and end-to-end encrypted.

- Website: https://bigbluebutton.org
- Source code: https://github.com/bigbluebutton/bigbluebutton
- License: LGPL-3.0
- Platforms: Web
- Home page trackers: Google Tag Manager, YouTube embed (not scored)
- Category: [Video calls](https://privacyratings.com/video-calls/)
- Grade: D (47/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | LGPL-3.0. | https://github.com/bigbluebutton/bigbluebutton/blob/v3.0.x-develop/LICENSE |
| No trackers or telemetry | No | The bigbluebutton.org website loads Google Tag Manager. | https://bigbluebutton.org/privacy-policy/ |
| No ads or data sales | Yes | Open source project with no ads, supported by companies that sell hosting and support. | https://docs.bigbluebutton.org/support/faq/ |
| Independent audit | No | No independent audit is published. |  |
| End-to-end encrypted | No | Media is encrypted between each browser and the server with DTLS-SRTP, not end to end. | https://docs.bigbluebutton.org/support/faq/ |
| Join without an account | Yes | The server has no user accounts; participants join through links created by a front end such as Greenlight or a learning platform. | https://docs.bigbluebutton.org/development/api/ |
| Self-hostable | Yes | Official installation guide for Ubuntu servers. | https://docs.bigbluebutton.org/administration/install/ |

Source: https://privacyratings.com/video-calls/bigbluebutton/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/video-calls/bigbluebutton.md