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A framework for developing user-extensible compilers and development tools. In its current state, it contains a Java to Java extensible compiler called Moka, considered in "beta" phase, and a compiler for a language called LX, in "pre-alpha" stage. It was designed with large and sophiticated software projects in mind. Mozart uses the idea of "concept programming," which makes development tools extensible, so that they understand the concepts of your application. You can describe the concepts to the development tools, and they become entities that you can manipulate the same way as built-in entities. Multiple development tools, including small and "custom" ones, can exchange program-related information in a unified format, either through persistent storage (files) or directly in memory.


Download version 0.11 (alpha)
released on 16 April 2002

VCS Checkout



LicenseVerified byVerified onNotes
GPLv2orlaterJanet Casey17 July 2001

Leaders and contributors

Christophe de Dinechin Maintainer
See for complete list Contributor

Resources and communication

Audience Resource type URI
Developer VCS Repository Webview
Bug Tracking Homepage
Developer Mailing List Info/Archive

Software prerequisites

This entry (in part or in whole) was last reviewed on 29 May 2010.


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