Some useful tools
How do you know who uses open source?
NeDi - A Swiss Army Knife of network device management
ISO open source software
How to install hyperic-hq on openSuse 10.2
How to install Cacti on OpenSuse 10.2
There is the easiest way to run IT management tool
Install OpenNMS 1.3.2 on OpenSuse 10.2 system (The simplest version )