Code You Can Trust

The Guardian Project is about more than just apps. All of our code is open-source in order to move the collective ball forward in mobile security efforts. In addition we are building developer-focused libraries, tools and source code for you to add security-oriented features and capabilities to your own apps.

IETF Standards

May 18, 2026

Network activity is now routine raw material for profiling, advertising, surveillance, and legal demands. VPNs and older privacy proxies still help in …

Oblivious HTTP and HTTP Concealed Authentication

May 18, 2026

Guardian Project works on privacy that can fit into ordinary apps, not only specialist privacy tools. OHTTP and HTTP Concealed Authentication let an …

Onion Mobile Devs: Tor Integration for Mobile Apps

January 1, 2025

A Developer Guide to Integrating Tor into Mobile Applications Onion Mobile Devs is a comprehensive guide for integrating Tor into mobile applications …

Proofmode and C2PA

January 1, 2024

Defending Reality with Code Proofmode is a technology platform designed to authenticate and verify digital media, developed collaboratively by …

Clean Insights: Privacy Preserving Measurement

December 9, 2021

Clean Insights gives developers a way to plug into a secure, private measurement platform. It is focused on assisting in answering key questions about …

Wind: Off-Grid Services for Everyday People

November 15, 2017

GitHub - blog posts When disaster strikes, connectivity becomes difficult. Information can save your life, guiding you to safety and services. …

PanicKit: system-wide panic responses

June 11, 2015

GitLab - GitHub - Javadoc - blog posts PanicKit is a collection of tools for creating “panic buttons” that can trigger a system-wide …

TrustedIntents: flexible trusted interactions between Android apps

June 23, 2014

GitLab - GitHub - blog posts TrustedIntents is a library for flexible trusted interactions between Android apps. It is modeled after Android’s …

NetCipher: Secured Networking

April 29, 2013

GitLab - GitHub - Javadoc - blog posts Better TLS and Tor App Integration NetCipher is a library for Android that provides multiple means to improve …

IOCipher: Virtual Encrypted Disks

October 4, 2012

GitLab - GitHub - Javadoc - blog posts IOCipher provides a virtual encrypted disk for Android apps without requiring the device to be rooted. It uses …