{
  "slug": "siyuan",
  "category": "notes",
  "name": "SiYuan",
  "description": "Local-first personal knowledge management app with Markdown editing, block-level references, bidirectional links and databases. Data stays on the device, with optional paid end-to-end encrypted cloud sync or third-party storage sync.",
  "website": "https://b3log.org/siyuan/en/",
  "source": "https://github.com/siyuan-note/siyuan",
  "license": "AGPL-3.0",
  "platforms": [
    "windows",
    "macos",
    "linux",
    "android",
    "ios"
  ],
  "jurisdiction": {
    "code": "CN",
    "name": "China",
    "eyes": null,
    "eu": false,
    "gdpr": false,
    "cloud_act": null
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 80,
  "coverage": 100,
  "summary": "SiYuan scores 80 out of 100 (grade B) on the notes criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit. It is based in China: Not in the Five, Nine or Fourteen Eyes.",
  "url": "https://privacyratings.com/notes/siyuan/",
  "markdown": "https://privacyratings.com/notes/siyuan/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/siyuan-note/siyuan/blob/master/LICENSE",
      "note": "AGPL-3.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://b3log.org/siyuan/en/privacy.html",
      "note": "The privacy policy states the app collects no personal information or usage data. Exodus finds no trackers in the Android app."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://b3log.org/siyuan/en/pricing.html",
      "note": "Free core app funded by one-time Pro licences, cloud sync subscriptions and sponsors, with no ads."
    },
    "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."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [
      {
        "name": "Cloudflare Web Analytics",
        "host": "static.cloudflareinsights.com",
        "effect": "partial"
      }
    ],
    "tested_at": "2026-10-01T06:38:38.483Z"
  },
  "last_modified": "2026-10-01T06:56:31Z"
}