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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 Public

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

    378 122

  2. 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 112

  3. 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.

    432 23

  4. 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 550 90

  5. 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 114 38

  6. 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

    Python 57 MIT 16 4 3 Updated Aug 9, 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.

    Java 125 MIT 49 14 3 Updated Aug 9, 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.

    Java 763 MIT 110 34 13 Updated Aug 8, 2025
  • grapheneos.org Public

    Main website servers

    HTML 531 MIT 158 33 21 Updated Aug 8, 2025
  • platform_packages_apps_NetworkLocation Public
    Kotlin 21 MIT 5 0 0 Updated Aug 8, 2025
  • Camera Public

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

    Java 1,054 MIT 101 66 17 Updated Aug 8, 2025
  • platform_external_Camera Public

    Camera app prebuilt using the latest official release of the Camera app.

    30 MIT 22 0 0 Updated Aug 8, 2025
  • releases.grapheneos.org Public

    OS update and app repository servers

    Shell 77 MIT 14 0 0 Updated Aug 8, 2025
  • infrastructure Public

    Shared server infrastructure

    Vim Script 69 MIT 13 3 0 Updated Aug 7, 2025
  • seedvault-chunker Public
    Kotlin 6 Apache-2.0 1 0 0 Updated Aug 7, 2025
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