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MetaEdit+ is an environment that allows building modeling tools and generators fitting to application domains, without having to write a single line of code. The capability to define modeling tools and generators is relevant as it provides the ability to raise the abstraction of design work from code to domain concepts, and a raise in abstraction leads to an imminent raise in productivity, as illustrated by the past years' experiences.In domain-specific modeling and MetaEdit+, one expert defines a domain-specific language as a metamodel containing the domain concepts and rules, and specifies the mapping from that to code in a domain-specific code generator. For the method implementation, MetaEdit+ provides a metamodeling language and tool suite for defining the method concepts, their properties, associated rules, symbols, checking reports, and generators. Once the expert defines a modeling method, or even a …