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@GrapheneOS

GrapheneOS

Security and privacy focused mobile OS with Android app compatibility. We focus on developing substantial privacy and security improvements.

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  1. platform_manifest platform_manifest Public

    Repo manifest for the GrapheneOS mobile privacy and security hardening project.

    421 136

  2. hardened_malloc hardened_malloc Public

    Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platfo…

    C 1.6k 116

  3. os-issue-tracker os-issue-tracker Public

    Issue tracker for GrapheneOS Android Open Source Project hardening work. Standalone projects like Auditor, AttestationServer and hardened_malloc have their own dedicated trackers.

    465 24

  4. Auditor Auditor Public

    Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verificati…

    Java 596 90

  5. platform_bionic platform_bionic Public

    Hardened Android standard C library. Some of the past hardening has not yet been ported from Marshmallow, Nougat and Oreo to this Android Pie repository. Most is available via archived tags in http…

    Assembly 138 40

  6. Vanadium Vanadium Public

    Privacy and security enhanced releases of Chromium for GrapheneOS. Vanadium provides the WebView and standard user-facing browser on GrapheneOS. It depends on hardening in other GrapheneOS reposito…

    Shell 1.4k 85

Repositories

Showing 10 of 181 repositories
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org’s past year of commit activity
    Shell 28 MIT 3 2 0 Updated Nov 23, 2025
  • grapheneos.org Public

    Servers for our website, HTTP/HTTPS connectivity checks, HTTPS network time, NTP (for Qualcomm XTRA), Broadcom PSDS cache, Samsung PSDS cache, Qualcomm PSDS (XTRA) cache, SUPL proxy, attestation key provisioning proxy, Vanadium component update check/download proxy, network location proxy and geocoding proxy.

    GrapheneOS/grapheneos.org’s past year of commit activity
    HTML 571 MIT 169 29 27 Updated Nov 23, 2025
  • platform_packages_apps_CellBroadcastReceiver Public
    GrapheneOS/platform_packages_apps_CellBroadcastReceiver’s past year of commit activity
    Java 7 8 0 0 Updated Nov 23, 2025
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org’s past year of commit activity
    Python 69 MIT 16 5 4 Updated Nov 23, 2025
  • platform_external_Auditor Public

    Auditor app prebuilt using the latest official release of the Auditor app.

    GrapheneOS/platform_external_Auditor’s past year of commit activity
    11 MIT 10 0 0 Updated Nov 23, 2025
  • Auditor Public

    Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

    GrapheneOS/Auditor’s past year of commit activity
    Java 596 MIT 90 25 4 Updated Nov 23, 2025
  • platform_packages_apps_AppCompatConfig Public
    GrapheneOS/platform_packages_apps_AppCompatConfig’s past year of commit activity
    Kotlin 12 MIT 6 0 1 Updated Nov 23, 2025
  • platform_packages_apps_GmsCompat Public
    GrapheneOS/platform_packages_apps_GmsCompat’s past year of commit activity
    Java 61 MIT 32 0 1 Updated Nov 23, 2025
  • PdfViewer Public

    Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving it access to content or files. CSP is used to enforce that the JavaScript and styling properties within the WebView are entirely static.

    GrapheneOS/PdfViewer’s past year of commit activity
    Java 834 MIT 115 33 11 Updated Nov 23, 2025
  • Messaging Public

    Messaging app

    GrapheneOS/Messaging’s past year of commit activity
    Java 55 26 30 4 Updated Nov 23, 2025
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