RackTables - Racktables is a nifty and robust solution for datacenter and server room asset management.
Colemak Mod-DH - Colemak Mod-DH is a minor modification to the Colemak alternative keyboard layout, moving the heavily-used 'D' & 'H' keys to the bottom row assignments for both index fingers.
DCImanager - DCImanager is a platform for managing physical equipment. Connect any physical equipment to a single platform. Use the platform to manage your servers, switches, PDU as well as physical and virtual networks.
Carpalx QGMLWY - A Carpalx variant with V fixed in its QWERTY position.
Opendcim - a free, web based Data Center Infrastructure Management application.
Programmer Dvorak - Almost Dvorak, optimized for programming tasks. This layout retains the classic Dvorak number order.