Skip to content
@GrapheneOS

GrapheneOS

Security and privacy focused mobile OS with Android app compatibility. We focus on developing substantial privacy and security improvements.

Pinned Loading

  1. platform_manifest platform_manifest Public

    Repo manifest for the GrapheneOS mobile privacy and security hardening project.

    462 151

  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 127

  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.

    525 26

  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 638 97

  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 148 43

  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 1.6k 96

Repositories

Showing 10 of 149 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 904 MIT 122 34 22 Updated Mar 3, 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 618 MIT 184 43 40 Updated Mar 3, 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 150 MIT 54 16 4 Updated Mar 3, 2026
  • platform_manifest Public

    Repo manifest for the GrapheneOS mobile privacy and security hardening project.

    GrapheneOS/platform_manifest’s past year of commit activity
    462 151 0 3 Updated Mar 3, 2026
  • kernel_manifest-6.12 Public

    Kernel manifest for the Generic Linux 6.12 kernel.

    GrapheneOS/kernel_manifest-6.12’s past year of commit activity
    2 3 0 0 Updated Mar 3, 2026
  • kernel_manifest-6.6 Public

    Kernel manifest for the Generic Linux 6.6 kernel.

    GrapheneOS/kernel_manifest-6.6’s past year of commit activity
    8 5 0 0 Updated Mar 3, 2026
  • vendor_state Public

    GrapheneOS adevtool state for all supported devices.

    GrapheneOS/vendor_state’s past year of commit activity
    23 MIT 20 0 0 Updated Mar 3, 2026
  • GrapheneOS/platform_tools_arsclib’s past year of commit activity
    Java 2 MIT 3 0 0 Updated Mar 3, 2026
  • script Public

    Scripting for generating signed production releases of AOSP and metadata for the Updater app along with partially automated maintenance of out-of-tree patch sets.

    GrapheneOS/script’s past year of commit activity
    Shell 42 MIT 53 0 4 Updated Mar 3, 2026
  • GrapheneOS/platform_prebuilts_qemu-kernel’s past year of commit activity
    Shell 3 1 0 0 Updated Mar 3, 2026