From NeOn Wiki
Neon Plugins
The functionality of the NeOn Toolkit can be easily extended with powerful plugins in the following categories: Annotation and Documentation, Development, Human-Ontology Interaction, Knowledge Acquisition, Management, Modularization and Customization, Ontology Dynamics, Ontology Evaluation, Ontology Matching, Reasoning and Inference, and Reuse.
Plugins
Here is a list of all available plugins. There's also a list of known issues
Plugins for NTK2.x and higher (OWL API)
Plugins for NTK 1.x (KAON2 API)
