The  WebNMS  Agent Toolkit Java Edition   is  a  rapid  prototyping and development tool used for building agents based on Java Management Extensions -  JMX framework with multi-protocol access to common management instrumentation, including SNMP, HTML,  RMI,  HTTP,  CORBA  and TL1.  In  addition to supporting JMX, it supports building cross platform Java based standalone SNMP and TL1 agents.
 

WebNMS Agent Toolkit Java Edition 6 API
Snmp Agent	This consists of WebNMS low-level SNMP agent API and Java Beans components that can be imported into any Java Bean Builder
Snmp MIBs	This provides all the Management Information Base (MIB) handling support in developing agent  i.e helping in code generation.