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 Public

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

    351 111

  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 1.4k 103

  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.

    398 20

  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 523 86

  5. 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 re…

    Java 117 46

  6. 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 107 34

Repositories

Showing 10 of 183 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.

    Java 718 MIT 107 34 9 Updated Apr 21, 2025
  • grapheneos.org Public

    Main website servers

    HTML 494 MIT 148 28 15 Updated Apr 21, 2025
  • Java 1 1 0 0 Updated Apr 21, 2025
  • 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 verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

    Java 523 MIT 86 21 4 Updated Apr 21, 2025
  • platform_manifest Public

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

    351 111 0 0 Updated Apr 21, 2025
  • 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.

    Shell 38 MIT 44 0 1 Updated Apr 21, 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 117 MIT 46 14 2 Updated Apr 21, 2025
  • Java 3 6,424 0 8 Updated Apr 18, 2025
  • kernel_manifest-pixel Public

    Kernel manifest for the Pixel 6, Pixel 6 Pro, Pixel 6a, Pixel 7, Pixel 7 Pro, Pixel 7a, Pixel Tablet, Pixel Fold, Pixel 8, Pixel 8 Pro, Pixel 8a, Pixel 9, Pixel 9 Pro, Pixel 9 Pro XL and Pixel 9 Pro Fold.

    7 2 0 0 Updated Apr 17, 2025
  • kernel_manifest-6.6 Public

    Kernel manifest for the Generic Linux 6.6 kernel.

    5 1 0 0 Updated Apr 17, 2025