Xerobank browser:
A modified version of firefox with pre-installed add-ons like noscript,etc.
Uses the Tor network to redirect you to a different sever, changes your IP so you can surf safely.
Code:
http://update.xerobank.com/distro/XeroBank/XeroBank_Installer.exe
Opera Tor:
Tor network with the power of the Opera browser
Code:
http://files.myopera.com/archetwist/operator/OperaTor-3.5.zip
Vidalia:
Another Tor powered browser
Code:
http://www.torproject.org/dist/vidalia-bundles/vidalia-bundle-0.2.1.24-0.2.7.exe
For free VPN services, read this awesome article:
Jondofox website shows a poor WOT rating, if anyone knows any others please include it