http://www.netcon.com/ docs/socket.htm Programmer's Guide BSD Sockets Programming interface
http://www.sockets.com/ Windows Sockets Programming
http://bigbang.vtc.vsc.edu/ docs/winsock2.html Windows Socket2 Programming
http://www.cswl.com/ whiteppr/white/infrared.html IrDA (infrared) Sockets Programming (requires registration)
http://home.att.net/ ~baldwin.rick/Advanced/ Java560.htm Java Sockets
http://java.sun.com/ docs/books/tutorial/ networking/datagrams/ clientServer.html Java Datagram Client/Server