Chilkat SSL COM Component 

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.
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SecureBlackbox (ActiveX/DLL) 

SecureBlackbox (ActiveX/DLL edition) is a comprehensive component collection that adds SSL/TLS, SSH, PKI, SFTP support to your Windows application. This is ActiveX/DLL version.
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SecureBlackbox (VCL) 

SecureBlackbox is a comprehensive component collection that adds S/MIME, SSL/TLS, SSH, PKI, SFTP, PGP support to your Windows or Linux application. This is VCL edition (for Delphi, C++Builder, Kylix).
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EzDNS 

EzDNS publishes and/or emails your PC's dynamic IP address (both local and outside address) and connection information to a remote web page or text file that is customizable. EzDNS is deal for people with cable or DSL internet.
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PingGraph 

PingGraph helps find and diagnose network problems by graphing ping times and and estimated bandwidth available on multiple connections. Email alerts inform you of networking trouble. Data is saved in an easy-to-use XML format.
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Easy Control 

Basic like script engine for building Windows applications, targeted to serial and TCPIP comms. Very versatile and easy to use, it is a cheap but powerful platform for virtual instrumentation or general purpose developing.
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