The Tor project.

Everything you wanted to know about Tor but were afraid to ask

I answer all the questions you might have about the Tor network, including whether it’s legal, who uses it, and how to get started yourself.

Proxy servers.

What proxy servers are and how they differ from VPNs

Find out exactly what proxy servers are, how they help you unblock restricted sites, and their advantages and disadvantgaes versus VPNs.