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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.

    442 146

  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 122

  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.

    503 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 620 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 144 41

  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 93

Repositories

Showing 10 of 146 repositories
  • 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 868 MIT 120 33 18 Updated Jan 15, 2026
  • Camera Public

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

    GrapheneOS/Camera’s past year of commit activity
    Java 1,186 MIT 107 78 22 Updated Jan 15, 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 147 MIT 50 14 2 Updated Jan 15, 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 596 MIT 180 35 38 Updated Jan 15, 2026
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org’s past year of commit activity
    Shell 32 MIT 5 1 1 Updated Jan 15, 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 620 MIT 95 26 7 Updated Jan 15, 2026
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org’s past year of commit activity
    Python 74 MIT 17 5 4 Updated Jan 15, 2026
  • device_google_laguna-kernels_6.6 Public

    Pixel 10, Pixel 10 Pro, Pixel 10 Pro XL and Pixel 10 Pro Fold kernel prebuilts.

    GrapheneOS/device_google_laguna-kernels_6.6’s past year of commit activity
    4 1 0 0 Updated Jan 15, 2026
  • platform_frameworks_base Public Forked from aosp-mirror/platform_frameworks_base
    GrapheneOS/platform_frameworks_base’s past year of commit activity
    Java 10 6,544 0 15 Updated Jan 14, 2026
  • kernel_common-6.6 Public

    Linux 6.6 LTS branch.

    GrapheneOS/kernel_common-6.6’s past year of commit activity
    C 8 7 0 0 Updated Jan 14, 2026
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