ATL is a model transformation language and toolkit. In the field of MDE, ATL provides ways to produce a set of target models from a set of source models. It can be used to provide the bridge between standards and tools, to refactor models, to refine conceptual models into a more detail view, and to verify consistency among rules.

Developers :
OBEO, and INRIA and LINA research group
Aditionl Link :

Comparison of Model Transformation Tools