ManageEngine Applications Manager is a useful and reliable monitoring tool that manages the performance of applications, servers, databases, systems, services, websites and more.
Applications Manager offers a single integrated monitoring tool suitable for application monitoring, database monitoring, system monitoring, website monitoring, services monitoring, and custom application monitoring.
Applications Manager proactively monitors the applications and servers and notifies problems in network through e-mail/SMS. It provides graphs and reports that display performance and availability data of the monitors.
It also supports for monitoring custom applications, which includes building of SNMP Consoles and JMX Consoles. You can manage 5 monitors in your network using the free edition.