Lego Boost - Build + Code + Play
RackTables - Racktables is a nifty and robust solution for datacenter and server room asset management.
Nimuno Loops - LEGO everywhere!
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.
Legoizer - Turn images into Lego murals.
NetBox - NetBox is an open source web application designed to help manage and document computer networks. NetBox was developed specifically to address the needs of network and infrastructure engineers.