CopperheadOS

A security and privacy focused mobile operating system compatible with Android apps. Google-free secure Android for the latest hardware.
Slitherinnnnn
Latest Stable:2020.03.20
Software optionUpdatesSoftware optionDocumentationSoftware optionSource
Currently supported on the Pixel 2, Pixel 3 and Pixel 3a series
Available through the Copperhead Partner network via hardware and software downloads.
Contact us to get started.
See the technical overview for an in-depth look.
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Features

Powered by Copperhead
Use top-of-the-line Google and secure Android hardware without worrying about who has access to your data.

Protection from zero-days

Prevents many vulnerabilities and makes exploits harder.

Hardened C standard library and compiler toolchain

Catches memory corruption and integer overflows.

Hardened kernel

Kernel self-protection and high quality ASLR.

Stronger sandboxing and isolation for apps & services

Stricter SELinux policies, seccomp-bpf and more

Backported security features and quicker patching

Benefiting from upstream changes long before stock

Firewall & network hardening

Along with improvements like MAC randomization

Open-source and free of proprietary services

Uses alternatives to Google apps/services like F-Droid

Security-centric user experience changes

Better defaults, finer-grained permission control