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.

• UpdatedMar 14, 2025
• C

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 repositories and doesn't include patches not relevant to the build targets used on GrapheneOS.

• UpdatedMar 11, 2025
• Shell

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

• UpdatedMar 12, 2025
• Java

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.

• UpdatedMar 10, 2025
• Java

Remove the fear of Android app compatibility on de-Googled devices.

• UpdatedJan 8, 2025
• Elixir

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.

• UpdatedMar 3, 2025
• Java

Main website servers

• UpdatedMar 17, 2025
• HTML

Issue tracker for GrapheneOS Android Open Source Project hardening work. Standalone projects like Auditor, AttestationServer and hardened_malloc have their own dedicated trackers.

• UpdatedApr 18, 2021

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

• UpdatedMar 14, 2025

• UpdatedMar 14, 2025
• Kotlin

The social permissionless app store

• UpdatedMar 7, 2025
• Dart

A comprehensive, step-by-step guide to help new users navigate the privacy-focused, security-hardened mobile OS based on Android. Learn how to purchase a device, install and configure GrapheneOS, and make the most of its unique features. Includes best practices, app compatibility, and community resources.

• UpdatedNov 19, 2024

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.

• UpdatedMar 17, 2025
• Java

A resource for users intent on optimizing their usage of this highly secure and privacy focused mobile operating system.

• UpdatedJan 26, 2025

Report and track banking app compatibility with GrapheneOS, including which workarounds may be required.

• UpdatedJan 12, 2025

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 inhttps://github.com/AndroidHardeningArchive/platform_bionic (check both the most recent Oreo and Nougat tags).

• UpdatedMar 14, 2025
• Assembly

• UpdatedSep 4, 2024
• Java

OS update and app repository servers

• UpdatedMar 6, 2025
• Shell

Make Build System (being phased out upstream)

• UpdatedMar 14, 2025
• Makefile

Shared server infrastructure

• UpdatedFeb 27, 2025
• Shell