Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
AOMEI PXE Boot - Free AOMEI PXE Boot is one of the best PXE boot software which enables you to start up multiple client-side computers within LAN through the network from ISO image file on a server-side computer for system maintenance and optimization.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Tiny PXE Server - Small portable standalone PXE server (dhcp+tftp+http)
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Serva 32/64 - Serva is an Automated PXE Server Solution Accelerator based on an all-in-one portable multi-server engine