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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.

    445 147

  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 1.7k 124

  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.

    510 25

  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 622 95

  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 146 42

  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 1.5k 95

Repositories

Showing 10 of 147 repositories
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org’s past year of commit activity
    Shell 33 MIT 5 1 1 Updated Jan 26, 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 599 MIT 179 37 37 Updated Jan 26, 2026
  • 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 remote attestation implementation with email alerts to go along with the local implementation based on QR code scanning in the app.

    GrapheneOS/AttestationServer’s past year of commit activity
    Java 148 MIT 51 14 4 Updated Jan 26, 2026
  • 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 repositories and doesn't include patches not relevant to the build targets used on GrapheneOS.

    GrapheneOS/Vanadium’s past year of commit activity
    Shell 1,545 95 110 3 Updated Jan 25, 2026
  • infrastructure Public

    Shared server infrastructure

    GrapheneOS/infrastructure’s past year of commit activity
    Shell 85 MIT 15 7 0 Updated Jan 24, 2026
  • GrapheneOS/platform_frameworks_base’s past year of commit activity
    Java 10 6,550 0 14 Updated Jan 24, 2026
  • platform_packages_apps_Dialer Public

    Dialer app

    GrapheneOS/platform_packages_apps_Dialer’s past year of commit activity
    Java 23 32 0 5 Updated Jan 24, 2026
  • GrapheneOS/platform_packages_apps_Settings’s past year of commit activity
    Java 37 87 0 13 Updated Jan 24, 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
    Java 878 MIT 121 33 18 Updated Jan 23, 2026
  • Camera Public

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

    GrapheneOS/Camera’s past year of commit activity
    Java 1,196 MIT 108 80 23 Updated Jan 24, 2026