ATL is a model transformation language and toolkit developed and maintained by OBEO and AtlanMod. It was initiated by the AtlanMod team (previously called ATLAS Group). In the field of Model-Driven Engineering (MDE), ATL provides ways to produce a set of target models from a set of source models.

Released under the terms of the Eclipse Public License

Eclipse Public License

The Eclipse Public License is an open source software license used by the Eclipse Foundation for its software. It replaces the Common Public License and removes certain terms relating to litigations related to patents....

, ATL is an M2M (Eclipse)

M2M (Eclipse)

M2M is the Eclipse implementation of the OMG QVT standard . M2M is a subproject of .Three components are available for model to model transformations:...

 component, inside of the Eclipse Modeling Project (EMP).
ATL is a model transformation language

Model Transformation Language

A model transformation language in systems and software engineering is a language for model transformation.- Overview :The notion of model transformation is of central importance to information technology. A software system may be seen as a set of information transformations...

 (MTL) developed by OBEO and INRIA to answer the QVT

QVT

QVT is a standard set of languages for model transformation defined by the Object Management Group .- Overview :...

 Request For Proposal.