Dropbear SSH Server and Client - Dropbear is a relatively small SSH 2 server and client.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Ethereal - Ethereal® is used by network professionals around the world for troubleshooting, analysis...
socat - socat is a relay for bidirectional data transfer between two independent data channels.