An anonymous reader writes "I was wondering what people consider the best monitoring applications for a multi-platform environment. (Windows, OS X, Linux, Solaris). I'm looking for an Application that will page (Numeric and Alpha numeric), text message and email and also show graphical trends. I'm also looking for a monitoring application that allows personal scripts that I have created to be added to the list of items to be monitored. So far I have read about: 1)Hp OpenView 2) Big Brother"