MATtool Monitoring and Administration Tool. MATtool for DNS, NFS, NIS, Backups, Replication, command and control of UNIX systems. A simple to use administration with customizable views for different roles.

MATtool in Action
From here you can see what MATtool looks like:
Top level screen view with several types of UNIX machines.

Host level screen view for a DNS & NIS server host.

Monitoring daemon section with some monitored parameters.

File manager user interface.

Historic graph of the run queue.

Status graph of the memory use.