TCP/IP Builder is a Windows Socket testing tool. You will be able to create a socket manually, connect it (or listen for connections), send and receive data through it.
You may setup local IP and Port, TCP/UDP protocol, keep alive, out-of-band data, DNS Resolver, System info, on-line help, RAW Packet Detail.
+ Act as client or server.
+ Select local IP address and port.
+ Build TCP or UDP sockets.
+ Detect remote IP address and port on incoming UDP packets.
+ Send and receive normal and Out of Band data.
+ Use 'keep-alive' and 'no-delay' socket options.
+ View incoming data in Hexadecimal representation.
+ Send arbitrary bytes by writting its ASCII number.
+ ASCII parser option for writting bytes in the format 0x (i.e: 0x4F)
+ Resolve IP addresses usign DNS.
New in 1.55:
IP, Protocol, Port and send flags configuration is persistent now.
New 'Exit' confirmation window.
Minor bug fixes.
About window updated.