Snarl - Snarl is a notification system for Windows.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Growl for Windows - Growl for Windows is a Windows-compatible version of https://alternativeto.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Notify OSD - Canonicals on-screen-display notification agent, implementing the freedesktop.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.