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.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
RackTables - Racktables is a nifty and robust solution for datacenter and server room asset management.
Terraform - Tool for building, changing, and versioning infrastructure safely and efficiently.
Opendcim - a free, web based Data Center Infrastructure Management application.
Rancher - Open Source Platform for Running a Private Container Service