Chilkat SSL is a free COM component that makes it extremely easy to communicate securely over a TCP socket using either the SSLv3 or TLSv1 protocols. This component is designed to be used by C++ applications, and cannot be used from Visual Basic or ASP.

ActiveX control for secure private networking with 128-bit AES encryption and on-the-fly compression. Implements a flexible message-oriented protocol on top of a single TCP connection. Information is exchanged through typed data packets identified by a command code. Utilizes an elegant event-driven paradigm for easy integration into Windows applications. Can be used both on client and server side, with centralized management of all connections.

SecExMail makes e-mail encryption as easy as sending a message. There are no plugins necessary and it will work with any standard email client including Microsoft Outlook, Outlook Express, Calypso, Eudora and many more. Now includes automatic key exchange and powerful html filtering to protect from malicious email. Personal Edition, including support can be purchased for $4.95 using PayPal or Credit Card. Commercial and Linux versions available.