Windows only: Corporate firewall got you down? No Facebook behind your school's filter? FreeProxy is a simple proxy tool for routing your browsing through your home computer.
At the computer and technology blog MakeUseOf, they've put together a straightforward tutorial on how to set up FreeProxy, including the software setup, configuring your router, and setting your browser to use a proxy server. Once you're done, all your remote browser traffic will be piped through your home connection, reopening the world wide web to you.