Tor is free software and an open network that helps you defend against traffic analysis, a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security.

Why Anonymity Matters

Tor protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, and it prevents the sites you visit from learning your physical location.

• Tor prevents people from learning your location or browsing habits.
• Tor is for web browsers, instant messaging clients, and more.
• Tor is free and open source for Windows, Mac, Linux/Unix, and Android

Tor Browser
Tor Browser contains everything you need to safely browse the Internet.

Orbot
Tor for Google Android devices.

Tails
Live CD/USB operating system preconfigured to use Tor safely.
A
Arm
Terminal (command line) application for monitoring and configuring Tor.

Atlas
Site providing an overview of the Tor network.

Pluggable Transports
Pluggable transports help you circumvent censorship.

Stem
Library for writing scripts and applications that interact with Tor.

OONI
Global observatory monitoring for network censorship.