TunnelEx is a small free application for traffic redirection. Supports TCP, UDP and windows named pipes.

Features
redirect incoming network traffic for specified ports on local system to another port on local or remote system;
redirect FTP connections from local system to real FTP server - client application works with it as with usual FTP server, no proxy settings needed;
redirect incoming pipe traffic for specified named pipe to another pipe or to any network endpoint;
provide several endpoints for traffic destination, and TunnelEx will redirect to first that will be accessible, inaccessible will be skipped;
provide several endpoints for traffic destination, and TunnelEx dynamically will choose optimal, with faster connection speed;
redirect traffic from several network ports to one;
log all transiting packets into a file;