FTP Client Engine for Xbase++ 

The "FTP Client Engine for Xbase++" (FCE4XB) 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 Xbase++ application program.
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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.
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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.
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XYGraph 

XYGraph is a native .NET charting component showing data in a cartesian graph (X,Y). Controls from componentXtra gives royalty free software integration. Both the free and purchased products includes sample code (VB and C#).
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Image-XChange SDK 

Scan, Create and Manipulate Raster Image Formats. API and ActiveX. Demo applications for many development tools including C/C++/Delphi, C#, Clarion, VB etc This is a Royalty free SDK - purchase once and no repeat licensing !
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PSS Update Check Control 

PSS Update Check is a Royalty Free ActiveX component that allows you to add that "Check for Update" button or menu item to you application in just a few lines of code. Now you can let your users know when the next release is available to them.
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