PotHead
Open Source SIEM
Open source tool to monitor your servers and websites
Computer security tool for the information gathering stage
Open source voucher management / hotspot system
DOCSIS network management
Energy and environmental monitoring of the server room
The Simplest Multi-User Latency Monitoring Web App
Simple web form for static assignment of DHCP leases
Visual Network Management System
Manage users OpenVPN
Cyber-wrt pbx is embedded system in DD-Wrt router
Two-factor authentication system
BGPHist stores MP-BGP updates activity and history into a database.
Centreon Hypervisor for multiple Nagios Poller via FTP
Network Intrusion Detection and Full Packet Capture System
Discontinued - please go to http://www.open-audit.org
Easy to use firewall for linux beginners.
Weblooker monitors serveral services on multiple systems for their sta