Here are some of the links I found working for accessing blocked sites like Orkut, Myspace, Facebook, etc at colleges or work places.
- http://letmehide.com
- http://pushme.in
- https://www.hairchip.com
- https://spacepiano.com
- https://cakebird.com/
- https://iceknock.com/
- https://junkblender.com/
- http://pmoder.info/
- http://smex.in/
- http://bowsnap.com/
- http://pagemod.com/
- https://cheeseglobe.com
- https://kitebroth.com
- http://backfox.com
- http://atunnel.com
- http://calculatepie.com
- http://bravebadger.com
- http://kproxy.com
- http://www.stupidcensorship.com
- http://www.vmathpie.com
- http://www.ipfaker.com
- https://www.technotapes.com/
- http://www.orkutproxy.in/
- http://62.193.235.46
- http://www.ipfaker.com
- http://www.backfox.com
- http://www.newbackdoor.com
- www.proxut.com