See also:

• Computers: Programming: Languages: Multiparadigm  (23)
• Computers: Programming: Languages: Object-Oriented  (45)
• Computers: Programming: Languages: Reflective  (8)
• Computers: Programming: Methodologies: Aspect-Oriented  (41)
• Computers: Programming: Methodologies: Modeling Languages  (166)
• Computers: Programming: Methodologies: Object-Oriented  (44)
• Computers: Software: Operating Systems: Extensible  (6)

• Gregor Kiczales's Page - Coauthor of book: The Art of the Metaobject Protocol. Leading researcher of Aspect-Oriented Programming. Professor, computer science department, University of British Columbia.
• Metaobject - Growing article, with links to many related topics. Wikipedia.
• Metaobject Protocol - Information page on the original Wiki, at (Ward) Cunningham and Cunningham, Inc.
• OpenJava - Extensible language based on Java. A Metaobject Protocol (MOP) is the extension interface; lets programmers customize language to implement new language features, mechanisms.