PLEIAS is an open-source Inter-library Loan System (ILL) written in PHP-Mysql. Some of its major features are: custom workflow and account types, customer and supplier financial monitoring, group accounts, customer web interface for order tracking.
Netflow analyzing tools :
JXColl - collector for Netflow (or XML specified) data
Analyzer - front-end application for providing an user interface and output (graphs, statistics, etc.)