WinPcap is an open source library for packet capture and network analysis for the Win32 platforms. It includes a kernel-level packet filter, a low-level dynamic link library (packet.dll), and a high-level and system-independent...

Winsent Net Send SDK is a software development kit that allows developers to integrate instant messaging capabilities, based on 'net send' protocol, into their own applications. Main features of the SDK are: -uses Netbios/SMB protocol stack ("net...