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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.

    382 123

  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 1.5k 113

  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.

    435 23

  4. Auditor Auditor Public

    Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verificati…

    Java 554 90

  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 116 38

  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 1.2k 77

Repositories

Showing 10 of 200 repositories
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org’s past year of commit activity
    Python 58 MIT 16 4 3 Updated Aug 12, 2025
  • grapheneos.org Public

    Main website servers

    GrapheneOS/grapheneos.org’s past year of commit activity
    HTML 533 MIT 158 33 21 Updated Aug 11, 2025
  • 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 1,499 MIT 113 24 5 Updated Aug 12, 2025
  • 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 126 MIT 49 14 3 Updated Aug 11, 2025
  • GrapheneOS/platform_packages_apps_Seedvault’s past year of commit activity
    Kotlin 36 16 0 0 Updated Aug 11, 2025
  • talkback Public Forked from google/talkback
    GrapheneOS/talkback’s past year of commit activity
    Java 17 Apache-2.0 234 2 0 Updated Aug 11, 2025
  • GrapheneOS/seedvault-chunker’s past year of commit activity
    Kotlin 6 Apache-2.0 1 0 0 Updated Aug 11, 2025
  • 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 767 MIT 110 34 13 Updated Aug 11, 2025
  • GrapheneOS/platform_packages_apps_GmsCompat’s past year of commit activity
    Kotlin 56 MIT 31 0 1 Updated Aug 11, 2025
  • GrapheneOS/platform_packages_apps_AppCompatConfig’s past year of commit activity
    Kotlin 11 MIT 4 0 0 Updated Aug 11, 2025