GTunnel

What is GTunnel?
It's a free Internet tunneling product with following capabilities:

1.  Hiding your identity and IP address from praying eyes.
2. All Internet traffic between you  and GTunnel servers encrypted. So, the local Internet censorship can't see what you transmit over Internet tunnel.
3. Easy to use and most capabilities is  free of charge.
4. GTunnel use Socks 5  proxies to operate.

What it does?
  Basically, it's works in four mode:

• Standard mode : It's now working only for Chinese IP's.
•  Skype mode:  If you want use the software in Skype mode you need have installed Skype software on your PC and you should login to your Skype before you want to use the proxy.
• Google Talk mode: In this mode you need have a Gmail account. Input your user/pass in options dialog box, select Gtalk mode , and enjoy using free Internet.
• Tor mode: Tor mode requires Tor to be running. Download Tor and start it.Tor start socks proxy on port 9050. select Tor mode in GTunnel , restart it and finally start browsing.

  Note : It's really helpful  in critical moments when other ways like VPN  blocked by local filtering and censorship systems.
Download it from the official website: http://www.internetfreedom.org/GTunnel