Protege-OWL offers various extension points which can be used to develop plugins. (4J0)
- OWLModelActions - add items to main menu and tool bar (4J1)
- ResourceActions - add items to context menus of classes etc. (4JD)
- PropertyWidgets - can be used as components on forms (4JE)
- ProjectPlugins - can do arbitrary changes on start up (4JF)
- OWLTests - can be used to check conditions uniformly (4JG)
- ResourceDisplayPlugins - show up in the lower right corner of forms (4JH)
- TabWidgets - are top-level containers in the user interface (4JI)