UltraSurf is a freeware Internet censorship circumvention product. The software enables its users to bypass Internet censorship and firewalls using an HTTP proxy server, and employs encryption protocols for privacy. Developed by UltraReach
License: Free
UltraSurf is primarily focused on bypassing internet censorship and providing easy access to blocked content, while SecurityKISS Tunnel emphasizes strong encryption and privacy with a no-logging policy. Both services offer user-friendly solutions but cater to slightly different needs.