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.

Tor Browser contains everything you need to safely browse the Internet. This package requires no installation. Just extract it and run.

Nyx is a terminal status monitor for Tor, intended for command-line aficionados and ssh connections. This functions much like top does for system usage, providing real time information on Tor's resource utilization and state.

Analytics for the Tor network, including graphs of its available bandwidth and estimated userbase. This is a great resource for researchers interested in detailed statistics about Tor.

Pluggable Transports (PT) transform the Tor traffic flow between the client and the bridge. This way, censors who monitor traffic between the client and the bridge will see innocent-looking transformed traffic instead of the actual Tor traffic.

Web-based protocol to learn about currently running Tor relays and bridges.

In collaboration with The Guardian Project, we're developing Tor on the Google Android mobile operating system. A related application is Orlib; a library for use by any Android application to route Internet traffic through Orbot/Tor.

Shadow is a discrete-event network simulator that runs the real Tor software as a plug-in. Shadow is open-source software that enables accurate, efficient, controlled, and repeatable Tor experimentation.

Python library for applications and scripts that interact with Tor.

The Amnesic Incognito Live System is a live CD/USB distribution preconfigured so that everything is safely routed through Tor and leaves no trace on the local system.

TorBirdy is Torbutton for Thunderbird and related *bird forks.

Python and Twisted event-based implementation of the Tor control protocol. Unit-tests, state and configuration abstractions, documentation. On PyPI and in Debian.

The Open Observatory of Network Interference, is a global observation network which aims is to collect high quality data using open methodologies, using Free and Open Source Software (FL/OSS) to share observations and data about the various types, methods, and amounts of network tampering in the world.

• Software & Services
• • Tor Browser
  • Nyx
  • Orbot
  • Tails
  • TorBirdy
  • Onionoo
  • Metrics Portal
  • Pluggable Transports
  • Shadow

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