FTP Client Engine for Visual Basic 

The "FTP Client Engine for Visual Basic" (FCE4VB) is a royalty free FTP client library component that provides control of the FTP client protocol. Upload, download, delete, list, and append files from your for Visual Basic application program.
ftp ftp winsock component library visual basic .net ftp control visual c++ ftp component vb ftp component ftp control internet proxy

FTP Client Engine for FoxPro 

The "FTP Client Engine for Visual FoxPro" (FCE4FP) is a royalty free FTP client library component that provides control of the FTP client protocol. Upload, download, delete, list, and append files from your for Visual FoxPro application program.
ftp ftp winsock component library visual foxpro control ftp foxpro ftp component ftp control internet proxy intranet ftp control source

FTP Client Engine for C/C++ 

The "FTP Client Engine for C/C++" (FCE4C) is a FTP client library component that provides control of the FTP client protocol. Upload, download, delete, list, and append files from your C/C++/C# application program. Royalty free distribution.
ftp ftp winsock component library c c++ control visual c++ ftp component c++ ftp component ftp control internet proxy

Xceed FTP Library 

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.
ftp asp ftp component ftp control ftp delphi ftp library ftp ocx ftp vb ftp activex ftp .net ftp vb.net ftp c++ ftp c# ftp j#