{
  "slug": "bigbluebutton",
  "category": "video-calls",
  "name": "BigBlueButton",
  "description": "Self-hosted web conferencing system for online classes, with whiteboard, shared notes, breakout rooms, polls and recording, often integrated with learning management systems.",
  "website": "https://bigbluebutton.org",
  "source": "https://github.com/bigbluebutton/bigbluebutton",
  "license": "LGPL-3.0",
  "platforms": [
    "web"
  ],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "D",
  "score": 47,
  "coverage": 100,
  "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.",
  "url": "https://privacyratings.com/video-calls/bigbluebutton/",
  "markdown": "https://privacyratings.com/video-calls/bigbluebutton/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/bigbluebutton/bigbluebutton/blob/v3.0.x-develop/LICENSE",
      "note": "LGPL-3.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": "https://bigbluebutton.org/privacy-policy/",
      "note": "The bigbluebutton.org website loads Google Tag Manager."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://docs.bigbluebutton.org/support/faq/",
      "note": "Open source project with no ads, supported by companies that sell hosting and support."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "e2ee": {
      "title": "End-to-end encrypted",
      "weight": 3,
      "answer": "no",
      "evidence": "https://docs.bigbluebutton.org/support/faq/",
      "note": "Media is encrypted between each browser and the server with DTLS-SRTP, not end to end."
    },
    "no_account_needed": {
      "title": "Join without an account",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://docs.bigbluebutton.org/development/api/",
      "note": "The server has no user accounts; participants join through links created by a front end such as Greenlight or a learning platform."
    },
    "self_hostable": {
      "title": "Self-hostable",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://docs.bigbluebutton.org/administration/install/",
      "note": "Official installation guide for Ubuntu servers."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [
      {
        "name": "Google Tag Manager",
        "host": "www.googletagmanager.com",
        "effect": "no"
      },
      {
        "name": "YouTube embed",
        "host": "www.youtube.com",
        "effect": "none"
      }
    ],
    "tested_at": "2026-10-01T06:38:23.670Z"
  },
  "last_modified": "2026-10-01T06:56:31Z"
}