DIY Software

X server and SSH client
MobaXterm

Disk Cloning
Clonezilla

X Forwarding via SSH in MAC OS X
http://xquartz.macosforge.org/trac/wiki

Network Mapper
https://nmap.org

Creating Bootable USB
https://rufus.akeo.ie/

DHCP server for Windows
http://www.dhcpserver.de/cms/