Freegate is a program designed to bypass censorship. In certain countries (Iran, China ..), it may be possible that you cannot access different websites like Facebook or search engines like Google. This tool will allow users to access all these sites.
Access to different sites may be locked by network firewalls, this program will get rid of any restrictions and will connect you to internet through proxy servers.
Also is changing the real IP, so you will have a different identity on the internet. Interface is simple, can be turned off anytime and change details of proxy manually.