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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.

    353 114

  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 1.4k 108

  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.

    408 22

  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 530 87

  5. AttestationServer AttestationServer Public

    attestation.app remote attestation server. Server code for use with the Auditor app: https://github.com/GrapheneOS/Auditor. It provides two services: submission of attestation data samples and a re…

    Java 116 47

  6. 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 108 35

Repositories

Showing 10 of 184 repositories
  • platform_packages_providers_MediaProvider Public
    GrapheneOS/platform_packages_providers_MediaProvider’s past year of commit activity
    Java 5 7 0 1 Updated May 31, 2025
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org’s past year of commit activity
    Shell 24 MIT 3 1 0 Updated May 31, 2025
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org’s past year of commit activity
    Python 48 MIT 15 2 3 Updated May 31, 2025
  • Info Public
    GrapheneOS/Info’s past year of commit activity
    Kotlin 13 MIT 9 9 1 Updated May 31, 2025
  • grapheneos.org Public

    Main website servers

    GrapheneOS/grapheneos.org’s past year of commit activity
    HTML 505 MIT 152 31 16 Updated May 31, 2025
  • Messaging Public

    Messaging app

    GrapheneOS/Messaging’s past year of commit activity
    Java 27 21 10 0 Updated May 31, 2025
  • platform_external_Messaging Public
    GrapheneOS/platform_external_Messaging’s past year of commit activity
    5 3 0 0 Updated May 31, 2025
  • AppStore Public
    GrapheneOS/AppStore’s past year of commit activity
    Kotlin 346 MIT 34 10 3 Updated May 31, 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 530 MIT 87 23 4 Updated May 30, 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 730 MIT 107 34 9 Updated May 30, 2025
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