Yet another WinSock Delphi Object ! 
This one is compatible with all Delphi
and C++Builder versions (16 and 32 bits).
It can be used to build client or server, 
TCP or UDP protocols, SOCKS5 support.
TWSocket is multithread safe.
The author can be contacted
at francois.piette@pophost.eunet.be. Updates
can be found at http://www.rtfm.be/fpiette.
Examples can be found on the web site.
Including Telnet, POP3 and FTP protocol
components for all Delphi version.
Unzip using the -d option to restore
directory tree. 
Freeware with full source code.