openDCIM is a free, open-source software designed for data center infrastructure management (DCIM). It provides tools to manage and document the physical infrastructure of data centers, including assets, space, power, network connections, and environmental conditions. With features such as visualization of data center layouts, power and environmental monitoring, and tracking of equipment and cabling, it aids in optimizing space utilization and improving operational efficiency. The software is community-driven and customizable, allowing users to tailor it to their specific needs.