WhatsUp Gold Replacement

[dattaway at attaway.net]

> I have a new client that is in trouble for running illegal software.
> They hired my services to make them legit within the next 90 days before
> they get audited.  Not a problem. We've actually saved them alot of time
> and money by switching several basic Windows 2000 servers to linux to
> do almost the same thing. (Another cusomer dumping Exchange and going
> to linux!).  On thing they use tho, is WhatsUp Gold.  If your not familiar
> with this program, it's a GUI utility that pings IP addresses/hostnames
> within a specified amount of time, and if it's up, it has a little green
> flag to it.  If it's down, it turns red.  They need a utility like this,
> and I'm trying to find an opensource/openlicense one that I can install
> for them with RH 7.3 and KDE desktop.  Any suggestions?

Ouch.  Freshmeat shows 506 projects related to network monitoring.  Which 
one to choose?

This appears to have the most concise display of colors and statistics.  
It also has the gpl license, unlike big brother's pay for commercial use:

http://freshmeat.net/screenshots/7454/    <--screenshot

http://freshmeat.net/projects/opennms/?topic_id=150%2C152%2C146