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.

    574 236

  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 2k 167

  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.

    646 36

  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 722 123

  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 182 57

  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…

    Python 2.2k 155

Repositories

Showing 10 of 184 repositories
  • apps.grapheneos.org Public

    Application repository

    GrapheneOS/apps.grapheneos.org's past year of commit activity
    Python 102 MIT 26 6 3 Updated Oct 19, 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. Also app and OS updates via an include.

    GrapheneOS/grapheneos.org's past year of commit activity
    HTML 776 MIT 214 59 53 Updated Oct 18, 2026
  • branding Public

    Stub repository for future branding of the OS including wallpapers, boot animations, etc.

    GrapheneOS/branding's past year of commit activity
    17 MIT 24 0 0 Updated Oct 18, 2026
  • discuss.grapheneos.org Public

    Discussion forum server

    GrapheneOS/discuss.grapheneos.org's past year of commit activity
    Shell 22 MIT 6 4 2 Updated Oct 18, 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 172 MIT 62 17 2 Updated Oct 18, 2026
  • 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 2,034 MIT 167 31 21 Updated Oct 18, 2026
  • talkback Public Forked from google/talkback
    GrapheneOS/talkback's past year of commit activity
    Java 20 Apache-2.0 275 2 1 Updated Oct 18, 2026
  • kernel_common-6.18 Public Forked from torvalds/linux
    GrapheneOS/kernel_common-6.18's past year of commit activity
    C 1 73,035 0 0 Updated Oct 17, 2026
  • platform_tools_metalava Public
    GrapheneOS/platform_tools_metalava's past year of commit activity
    Kotlin 4 9 0 0 Updated Oct 17, 2026
  • platform_tools_apksig Public
    GrapheneOS/platform_tools_apksig's past year of commit activity
    Java 4 5 0 0 Updated Oct 17, 2026
View all repositories