Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Platypus - Realtime server monitoring and reporting
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services