Open source tool to monitor your servers and websites
Open Source SIEM
Netflow visualisation and investigation tool
JOPUX - a flexible and scalable application platform!
Open source voucher management / hotspot system
Web based Game server control panel
DOCSIS network management
an 'auto-reply' bot for your mail server
Scalable, distributed monitoring system for high-performance computing
MySQL Replication Monitor (written in PHP)
A free, easy to use, generic CMDB written in PHP
Simple web form for static assignment of DHCP leases
Simple web interface for Postfix domains, accounts, aliases
Simple script to do backups of a MySQL database with phpmyadmin
PHP 404 pages to trap malicious web requests and report abusers
NfSen plugin to generate and analyze per-IP statistics