ZMap is a fast single packet network scanner for network surveys
Linux networking base tools
High capacity syslog data collection, filtering, and management.
Wipe erase data from hdds on the network, unlimited hard disks
Zenoss - Intelligent IT Operations Management
A collection of Perl scripts for managing IT infrastructure devices
A small fast Template Engine for PHP, without a huge framework.
OPTOSS Next Gen Network Management System (NG-NetMS)
Open Source SIEM
Open Source BGP Looking-glass
Asynchronous Spatial Division Multiplexing Router for On-Chip Networks