Tor is a network of virtual tunnels that allows people and groups to
improve their privacy and security on the Internet. It also enables
software developers to create new communication tools
with built-in privacy features. Tor provides the foundation for
a range of applications that allow organizations and individuals
to share information over public networks without compromising their
privacy.
Individuals use Tor to keep websites from tracking them and their family
members, or to connect to news sites, instant messaging services, or the
like when these are blocked by their local Internet providers. Tor's hidden services
let users publish web sites and other services without needing to reveal
the location of the site. Individuals also use Tor for socially sensitive
communication: chat rooms and web forums for rape and abuse survivors,
or people with illnesses.