From The Document Foundation Wiki
- X-Ray inspects LibreOffice API objects. It displays the properties, methods, services, interfaces which are provided by an object variable. X-Ray is available in french, english, german, spanish, czech, polish and russian. X-Ray is written in Basic.
- MRI (My Reflection and Introspection) is an introspection tool of UNO objects, written in Python. Its features are similar to that of X-Ray. MRI is available in english only. Note: Extensions' catalog MRI copy is outdated.