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 platform_manifest Public

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

    473 155

  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 1.8k 129

  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.

    532 27

  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 644 98

  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 149 43

  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 1.7k 100

Repositories

Showing 10 of 152 repositories
  • infrastructure Public

    Shared server infrastructure

    GrapheneOS/infrastructure’s past year of commit activity
    Shell 87 MIT 17 7 0 Updated Mar 20, 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.

    GrapheneOS/grapheneos.org’s past year of commit activity
    HTML 620 MIT 187 44 39 Updated Mar 20, 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 151 MIT 53 16 4 Updated Mar 20, 2026
  • discuss.grapheneos.org Public

    Discussion forum server

    GrapheneOS/discuss.grapheneos.org’s past year of commit activity
    Shell 17 MIT 5 2 0 Updated Mar 20, 2026
  • grapheneos.social Public

    GrapheneOS Mastodon server

    GrapheneOS/grapheneos.social’s past year of commit activity
    Shell 16 4 0 0 Updated Mar 20, 2026
  • matrix.grapheneos.org Public

    Matrix and Element Web server

    GrapheneOS/matrix.grapheneos.org’s past year of commit activity
    Shell 20 4 0 0 Updated Mar 20, 2026
  • mail.grapheneos.org Public

    Mail server

    GrapheneOS/mail.grapheneos.org’s past year of commit activity
    Shell 16 MIT 6 0 0 Updated Mar 20, 2026
  • platform_tools_arsclib Public
    GrapheneOS/platform_tools_arsclib’s past year of commit activity
    Java 2 MIT 3 0 0 Updated Mar 20, 2026
  • vendor_state Public

    GrapheneOS adevtool state for all supported devices.

    GrapheneOS/vendor_state’s past year of commit activity
    23 MIT 20 0 0 Updated Mar 19, 2026
  • 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.

    GrapheneOS/script’s past year of commit activity
    Shell 43 MIT 53 0 4 Updated Mar 20, 2026
View all repositories