ZoneMinder is an open-source video surveillance software system designed for commercial and home security applications. It allows users to monitor, record, and analyze security footage from cameras connected to a central hub. ZoneMinder supports a wide range of camera types, including IP, USB, and analog cameras, and provides features such as motion detection, event recording, and remote viewing through web and mobile interfaces. Its flexible architecture makes it suitable for various environments, from small installations to large, enterprise-level setups.