MIB Designer is a Java™ 2SE tool to visually create and edit MIB modules that comply with the Structure of Management Information (SMI) rules.
Main features:
-Multi-platform support and license.
-State-of-the-art SMI syntax and semantic checks.
-SMI syntax auto-completion.
-Virtually unlimited undo/redo.
-Copy & Paste nodes and sub-trees between multiple MIB modules.
-Tool plug-in interface to integrate 3rd party applications.
-On-the-fly spell checker (English).
-Various output formats: PDF, XML, XSD, Text, HTML.
-Refactoring support (automatic update of object references)
-SMI revision control can block changes on released revisions that would change behavior on the wire.
-New MIB Wizard simplifies the creation of the basic structures for new MIB modules.
-SMIv1 <-> SMv2 conversion.
I downloaded MIBDesigner, but when I attempted to start the app, it asked for a license. I don't see any information on this site about how to obtain a license.