Tor Browser - Tor is free software for enabling anonymous communication.
Proxifier - Proxifier extends the advantages of a proxy server to network applications that don't natively support it.
Psiphon - Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.
redsocks - Redsocks is a daemon running on the local system, that will transparently tunnel any TCP connection...
ProxAllium - ProxAllium is a FOSS GUI wrapper for Tor.
Proxycap - ProxyCap empowers you to divert your PC’s system associations through intermediary servers.