Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (softphones & hardphones) to work behind an IP masquerading firewall or router.
A set of tools (proxy, analyzer, proxy database maintenance tools) in Perl. Of interest to those whose Internet access is blocked or censored. The tools provide an 'abstraction' of uncensored outside services, inside the censoring firewall/proxy.
ReAIM is an AOL Instant Messenger Proxy for iptables-based firewalls. It allows direct connections to be made to hosts behind an address-translating firewall. MSN and Windows Messenger are also supported.
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