Free Proxy List provide a list of free proxy which is frequently updated.
There is proxies list which displays a list of proxies that a user can use. Some are free whereas for using other proxies a fee is charged. All that you need to do is to search for best proxy servers or if you want to find anonymous proxies search for an anonymous proxy list.
Proxy servers hide the identity of the users. Another reason where proxy servers are used is when a user wants to access a website which for some reason has been banned in the area where the user resides. In such cases, a user will search for an anonymous proxy list or a working proxy list and use it to access the banned website.