Client/Server Comm Lib for C/C++ 

Client/Server comm C++ component library for TCP/IP winsock network communication. Allows multiple servers and clients to run simultaneously over a TCP network such as the Internet or intranet (LAN). Works with C++,C#.NET, MFC and C++ Builder.
client server c++ tcp server c++ tcp communication client server tcp/ip control internet winsock network library mfc lan visual c++

Client/Server Comm Lib for Visual Basic 

Client/Server comm VB and VB.NET component library for TCP/IP winsock communication over a network such as the internet or an intranet (LAN). Allows multiple servers and clients to run simultaneously Supports "one time" passwords for added security
tcp client server vb tcp server vb tcp communication client server tcp/ip control internet winsock library network library vb.net lan visual basic