KM3 or Kernel Meta Meta Model is a neutral computer language to write metamodels and to define Domain Specific Languages. KM3 has been defined at INRIA and is available under the Eclipse platform.
References
KM3: a DSL for Metamodel Specification Jouault, F, and Bézivin, J (2006). In: Proceedings of 8th IFIP International Conference on Formal Methods for Open Object-Based Distributed Systems, LNCS 4037, Bologna, Italy, pages 171-185.
