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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.

    402 129

  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 1.6k 114

  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.

    448 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 575 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 127 39

  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 1.3k 82

Repositories

Showing 10 of 180 repositories
  • 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 132 MIT 49 14 3 Updated Oct 7, 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 806 MIT 113 34 13 Updated Oct 7, 2025
  • grapheneos.org Public

    Main website servers

    GrapheneOS/grapheneos.org’s past year of commit activity
    HTML 546 MIT 164 30 25 Updated Oct 6, 2025
  • infrastructure Public

    Shared server infrastructure

    GrapheneOS/infrastructure’s past year of commit activity
    Vim Script 76 MIT 14 4 0 Updated Oct 6, 2025
  • releases.grapheneos.org Public

    OS update and app repository servers

    GrapheneOS/releases.grapheneos.org’s past year of commit activity
    Shell 85 MIT 14 0 0 Updated Oct 6, 2025
  • mail.grapheneos.org Public

    Mail server

    GrapheneOS/mail.grapheneos.org’s past year of commit activity
    Shell 14 MIT 6 0 0 Updated Oct 6, 2025
  • grapheneos.social Public
    GrapheneOS/grapheneos.social’s past year of commit activity
    Shell 15 4 0 0 Updated Oct 6, 2025
  • grapheneos.network Public

    Servers for 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 and Vanadium component update check/download proxy. It also has a network location proxy and geocoding proxy for future use.

    GrapheneOS/grapheneos.network’s past year of commit activity
    Shell 20 MIT 7 0 0 Updated Oct 6, 2025
  • discuss.grapheneos.org Public

    Discussion forum server

    GrapheneOS/discuss.grapheneos.org’s past year of commit activity
    Shell 16 MIT 4 1 0 Updated Oct 6, 2025
  • ns1.grapheneos.org Public

    Authoritative DNS servers

    GrapheneOS/ns1.grapheneos.org’s past year of commit activity
    Shell 25 MIT 3 1 0 Updated Oct 6, 2025
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