Mail.dll
.NET email component for sending and receiving email messages. Includes POP3, SMTP and IMAP component with SSL support.
Ftp.dll
.NET FTP component. Allows transfer files from your application using FTP or FTPS (also known as FTP over SSL/TLS).
Barcode.dll
.NET barcode component for creating barcode images. Supports most barcode symbologies and output in many formats.