BigSpeed File Sharing SDK 2.0 - BigSpeed File Sharing SDK 2.0. Client/Server components for secure private file transfer and remote management. Sample applications are included in Visual Basic 6, Visual Basic .NET, Visual C++ .NET, and Delphi 7.
N-Tier Slam - VB6 based TCP/IP N-Tier application server library that supports database access, chat servers and clients, sending of SMTP E-mail, and calling of sub procedures and functions at the server from a client application. Standalone database access.
QuickShare File Server - Powerful yet easy to use ftp & http server helps you sharing files. It's supports virtual folders, accounts, resuming and multi-thread transfer, files larger than 4GB, customizeable web template, etc. (Homepage: http://www.quicksharehq.com)