1)   AdventNet ManageEngine OpUtils 3.2 The AdventNet ManageEngine OpUtils is a comprehensive set of 40+ unique system and network monitoring tools. This web-based software helps IT administrators monitor, diagnose and troubleshoot their IT resources. OpUtils is web-based and very quick. 2)   Easy Network Service Monitor 2.14 Easy to use and low cost tool for network, applications and services monitoring, fault identification, notification and reporting as well as service level agreement monitoring and reporting.