WhoisUP monitors hosts via ICMP and shows the status in a webpage. When a host is down, it can send mail, write a syslog message, open a popup message, or play a sound. It uses Nmap to check hosts continuously.
Invisible is a simple and modular CSS framework. Invisible is not complex. It provides a reset, a base resizable layout, and some other stuff.
A Nagios plugin to check if a Red Hat system is up to date.
MySQL Protocol in pure OCaml