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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.

    496 165

  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 142

  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.

    550 29

  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 654 104

  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 152 46

  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 1.8k 103

Repositories

Showing 10 of 156 repositories
  • 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 https://github.com/AndroidHardeningArchive/platform_bionic (check both the most recent Oreo and Nougat tags).

    GrapheneOS/platform_bionic’s past year of commit activity
    Assembly 152 46 0 2 Updated May 12, 2026
  • kernel_common-6.12 Public Forked from torvalds/linux

    Linux 6.12 LTS branch.

    GrapheneOS/kernel_common-6.12’s past year of commit activity
    C 11 65,398 0 0 Updated May 12, 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 942 MIT 124 35 16 Updated May 12, 2026
  • mail.grapheneos.org Public

    Mail server

    GrapheneOS/mail.grapheneos.org’s past year of commit activity
    Shell 17 MIT 6 0 0 Updated May 12, 2026
  • infrastructure Public

    Shared server infrastructure

    GrapheneOS/infrastructure’s past year of commit activity
    Shell 89 MIT 18 6 0 Updated May 12, 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 654 MIT 188 44 41 Updated May 12, 2026
  • pdns Public Forked from PowerDNS/pdns

    PowerDNS Authoritative, PowerDNS Recursor, dnsdist

    GrapheneOS/pdns’s past year of commit activity
    C++ 2 GPL-2.0 1,041 0 12 Updated May 12, 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 156 MIT 55 17 4 Updated May 11, 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 1,846 MIT 142 31 14 Updated May 10, 2026
  • platform_system_sepolicy Public

    Base SELinux policy (extended by per-device repositories)

    GrapheneOS/platform_system_sepolicy’s past year of commit activity
    Python 20 42 0 3 Updated May 10, 2026
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