NINO is a network and system management solution to monitor your network, systems and applications: integrated, one tool for all. Features: SNMP, WMI, Service Response performance monitoring, graphs with zoom, topology view, events, reporting
MySnmpCrawler is a SNMP agent using JMX technology. It contains a lightweight SNMP protocol adaptor, MIB database, and a framework for developers to reuse the design such that new JMX MBeans can be easily built based on the specifications in the MIB file