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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.

    568 237

  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 166

  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.

    644 36

  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 721 121

  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 181 56

  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 153

Repositories

Showing 10 of 184 repositories
  • Messaging Public

    Messaging app

    GrapheneOS/Messaging's past year of commit activity
    Kotlin 227 60 86 12 Updated Oct 14, 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. Also app and OS updates via an include.

    GrapheneOS/grapheneos.org's past year of commit activity
    HTML 773 MIT 213 59 53 Updated Oct 14, 2026
  • Camera Public

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

    GrapheneOS/Camera's past year of commit activity
    Kotlin 1,408 MIT 148 102 26 Updated Oct 14, 2026
  • platform_packages_apps_Contacts Public
    GrapheneOS/platform_packages_apps_Contacts's past year of commit activity
    Java 16 29 10 8 Updated Oct 14, 2026
  • SpeechServices Public

    Fast, efficient, and high-quality text-to-speech for GrapheneOS using state-of-the-art models running completely on-device.

    GrapheneOS/SpeechServices's past year of commit activity
    Kotlin 91 MIT 11 8 1 Updated Oct 14, 2026
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org's past year of commit activity
    Python 102 MIT 26 6 3 Updated Oct 14, 2026
  • seedvault-chunker Public
    GrapheneOS/seedvault-chunker's past year of commit activity
    Kotlin 8 Apache-2.0 1 0 8 Updated Oct 14, 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 1,046 MIT 144 28 23 Updated Oct 14, 2026
  • infrastructure Public

    Shared server infrastructure

    GrapheneOS/infrastructure's past year of commit activity
    Shell 101 MIT 22 6 0 Updated Oct 14, 2026
  • AppStore Public
    GrapheneOS/AppStore's past year of commit activity
    Kotlin 614 MIT 68 22 20 Updated Oct 14, 2026
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