FTP client component. By Chilkat Software, Inc. [Component, Freeware]

E-Mail component supporting attachments, HTML, S/MIME encryption and digital signatures, SMTP authorization, XML import/export, MHTML compliant, filtering, mail merge features, Outlook integration, multipart/alternative support. [Component, Freeware]

Supports up to 256-bit AES, 2048-bit RSA public-key cryptography, and digital signature creation and validation. By Chilkat Software, Inc. [Component, Commercial]

For character encoding, conversion and detection including Chinese, Japanese, Korean, Thai, Arabic, Hebrew, Vietnamese, Cyrillic. [Component, Commercial]

A high-performance ActiveX that is an alternative to the standard XML DOM for creating, navigating, and manipulating XML data.

Send, receive and manage email. Full S/MIME capability and MHTML support.

Implements standard Zip compression tasks. Zip and UnZip files and directories, or directly from application memory. Proprietary license.

XML parser with XMLHTTP, Zip compression, AES encryption, and character encoding conversion features.

A static libraries for Visual C++ and C++ Builder developers: zip, e-mail, encryption, S/MIME, XML.[Shareware]

Provides a framework and C++ classes for developing DirectX applications. [Open source]