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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.

    554 233

  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 2k 162

  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.

    634 35

  4. Auditor Auditor Public

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

    Java 711 119

  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 177 53

  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…

    Python 2.2k 144

Repositories

Showing 10 of 184 repositories
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org's past year of commit activity
    Shell 46 MIT 6 0 1 Updated Sep 28, 2026
  • GrapheneOS/platform_packages_apps_AppCompatConfig's past year of commit activity
    Kotlin 22 MIT 12 0 7 Updated Sep 28, 2026
  • 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
    Kotlin 1,039 MIT 143 28 19 Updated Sep 28, 2026
  • GrapheneOS/seedvault-chunker's past year of commit activity
    Kotlin 8 Apache-2.0 1 0 6 Updated Sep 28, 2026
  • Camera Public

    Modern camera app focused on privacy and security with QR & barcode scanning.

    GrapheneOS/Camera's past year of commit activity
    Kotlin 1,396 MIT 143 108 33 Updated Sep 28, 2026
  • Messaging Public

    Messaging app

    GrapheneOS/Messaging's past year of commit activity
    Kotlin 204 55 102 7 Updated Sep 28, 2026
  • Info Public
    GrapheneOS/Info's past year of commit activity
    Kotlin 37 MIT 24 10 13 Updated Sep 28, 2026
  • Auditor Public

    Hardware-based attestation and intrusion detection app for Android. 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 711 MIT 119 34 15 Updated Sep 28, 2026
  • AppStore Public
    GrapheneOS/AppStore's past year of commit activity
    Kotlin 599 MIT 66 21 20 Updated Sep 28, 2026
  • talkback Public Forked from google/talkback
    GrapheneOS/talkback's past year of commit activity
    Java 20 Apache-2.0 272 2 3 Updated Sep 28, 2026