Penso Tecnologia is a service provider out of Brazil focussed at helping businesses with cloud infrastructure, backup and in addition to other things, hosted Exchange. We use Site24x7 for monitoring resources from outside our data centers. It complements our internal monitoring tools. We love it because Site24x7 is easy to use and effective.
Site24x7 is outstanding in the way it provides a swiss-army knife of various network monitoring tools at an affordable price.