3Proxy tiny free proxy server previously known as 3[APA3A] tiny freeware
proxy (pronounce it as "Zaraza tiny freeware proxy") is really tiny
cross-platform (Win32/Win64&Unix) proxy servers set. It includes
HTTP proxy with HTTPS and FTP support, SOCKSv4/SOCKSv4.5/SOCKSv5 proxy
(socks/socks.exe), POP3 proxy, SMTP proxy, AIM/ICQ proxy (icqpr/icqpr.exe),
MSN messenger / Live messenger proxy (msnpr/msnpr.exe), FTP proxy,
caching DNS proxy, TCP and UDP portmappers. You can use every proxy as
a standalone program (socks, proxy, tcppm, udppm, pop3p) or use combined
program (3proxy). Combined proxy additionally supports features like access
control, bandwidth limiting, limiting daily/weekly/monthly traffic amount,
proxy chaining, log rotation, syslog and ODBC logging, etc.