Inventory systems

- http://inventory.sourceforge.net/ catalog and track

all of the hardware (computer level, its sub components, perferials,
and software installed (including multiple OS per each computer) on
it, and the licenses associated with each software component.)

- Alist (http://www.brains2bytes.com/alist/)

Alist is a program that collects hardware and software
information about systems and stores it in a database for
users to browse and search via a Web interface. The program
consists of three parts: a client portion that collects the
information, a daemon

- PHP Inventory Manager

http://phpinventoryman.sourceforge.net

- Open Computers Software Inventory

http://ocsinventory.sourceforge.net/

- PHPMyInventory

http://phpmyinventory.sourceforge.net/

- PHPInventory

http://phpinv.sourceforge.net/