1)   FTP Client Engine for Visual Basic 2.6
FTP client library VB component provides direct and simple control of the FTP protocol from a Visual Basic (VB.NET) application program. Transfer, rename, delete, list, and append files. Create and remove server directories. Supports proxy servers.

 2)   Xceed FTP Library 1.1
The Xceed FTP Library is a high-performance ActiveX control that allows developers to easily add FTP capabilities to their Windows or Web based applications and provides complete access to the feature rich and firewall friendly FTP protocol.