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.NET component that sends and receives faxes using a fax modem. It has been developed in c-sharp and source code can be purchased.
ComponentAce Barcode .NET is a lightweight and flexible .NET class library which lets you easily add high-quality barcode imaging and printing capabilities to your .NET applications.
Transfer files using FTP over SSH with the .NET SFTP Library by Kellerman Software. Upload and Download entire directories trees. Supports public and private key encryption with passphrases. Handles dropped connections on bad networks.
TSSI .NET SMTP Component (TDNSC) provides an easy way to enable your .NET Framework supported programming/scripting languages (e.g. C#, VB.NET, J#, C++, .NET Delphi, .NET COBOL, and more) to send PLAIN/RICH messages based on the SMTP/ESMTP protocol.