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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.

    551 234

  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 161

  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.

    630 35

  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 709 119

  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 175 53

  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 144

Repositories

Showing 10 of 183 repositories
  • platform_packages_apps_AppCompatConfig Public
    GrapheneOS/platform_packages_apps_AppCompatConfig's past year of commit activity
    Kotlin 22 MIT 12 0 7 Updated Sep 21, 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 1,034 MIT 143 28 19 Updated Sep 21, 2026
  • seedvault-chunker Public
    GrapheneOS/seedvault-chunker's past year of commit activity
    Kotlin 8 Apache-2.0 1 0 6 Updated Sep 21, 2026
  • Messaging Public

    Messaging app

    GrapheneOS/Messaging's past year of commit activity
    Kotlin 183 52 65 13 Updated Sep 21, 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 755 MIT 208 58 51 Updated Sep 21, 2026
  • discuss.grapheneos.org Public

    Discussion forum server

    GrapheneOS/discuss.grapheneos.org's past year of commit activity
    Shell 22 MIT 6 4 1 Updated Sep 21, 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 166 MIT 60 17 5 Updated Sep 21, 2026
  • platform_packages_apps_GmsCompat Public
    GrapheneOS/platform_packages_apps_GmsCompat's past year of commit activity
    Kotlin 86 MIT 51 0 9 Updated Sep 21, 2026
  • platform_packages_apps_Contacts Public
    GrapheneOS/platform_packages_apps_Contacts's past year of commit activity
    Java 14 27 10 16 Updated Sep 21, 2026
  • infrastructure Public

    Shared server infrastructure

    GrapheneOS/infrastructure's past year of commit activity
    Shell 99 MIT 21 6 0 Updated Sep 21, 2026
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