[3] Since version 1.0rc3, most of OCS Inventory functionality can be adapted or extended via a module system.

The dialogue between OCS client machines and the server depends on the Hypertext Transfer Protocol (HTTP).

A web-interface written in PHP offers consultation of the inventory, user-rights management, and technical support features.

In order to collect detailed information, one can install agents on the client machines in the inventory.

Developers have made client agents available for: OCS Inventory consists of free software published under GNU GPL v2.