Pygame - Pygame is a set of Python modules designed for writing games.
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.
Unigine - Unigine Engine is a proprietary cross-platform middleware, developed by Unigine Corp.
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.
libtwo - All-purpose c++ app prototyping library, focused towards live graphical apps and games
Opendcim - a free, web based Data Center Infrastructure Management application.