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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.

    478 156

  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 1.8k 133

  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.

    534 28

  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 645 103

  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 149 44

  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 1.7k 103

Repositories

Showing 10 of 152 repositories
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org’s past year of commit activity
    Python 81 MIT 19 6 4 Updated Mar 25, 2026
  • 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 platforms. It will gain more portability/integration over time.

    GrapheneOS/hardened_malloc’s past year of commit activity
    C 1,787 MIT 133 27 7 Updated Mar 25, 2026
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org’s past year of commit activity
    Shell 40 MIT 5 0 0 Updated Mar 25, 2026
  • 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 626 MIT 188 44 39 Updated Mar 24, 2026
  • Messaging Public

    Messaging app

    GrapheneOS/Messaging’s past year of commit activity
    Java 64 36 35 6 Updated Mar 24, 2026
  • seedvault-chunker Public
    GrapheneOS/seedvault-chunker’s past year of commit activity
    Kotlin 6 Apache-2.0 1 0 0 Updated Mar 25, 2026
  • talkback Public Forked from google/talkback
    GrapheneOS/talkback’s past year of commit activity
    Java 17 Apache-2.0 248 2 3 Updated Mar 24, 2026
  • platform_external_talkback Public
    GrapheneOS/platform_external_talkback’s past year of commit activity
    12 13 0 0 Updated Mar 25, 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 645 MIT 103 32 12 Updated Mar 24, 2026
  • platform_packages_apps_Seedvault Public
    GrapheneOS/platform_packages_apps_Seedvault’s past year of commit activity
    Kotlin 46 22 0 0 Updated Mar 25, 2026
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