Object-oriented modelling and code migration between languages. [Open Source, GPL]

Source-to-source translator for C, which analyzes the program to determine the smallest number of run-time checks that must be inserted in the program to prevent all memory safety violations.

CMI is an optimizing frontend for gcc which allows gcc to inline across module boundaries without requiring you to put inline functions in header files or even mark inline functions for inlining.

Generalized compiler technology for custom parsing, analyzing, transforming, and prettyprinting computer languages, including C, C++, COBOL, Ada, Java, C#, SQL. Tasks range from metrics to migrations. [Commercial]

A modular language for the specificat ion of fully automatic program transformation systems based on the paradigm of rewriting strategies. Free software.

A Pattern matching transformation system.

The Wiki for the Tom programming language, developped at Loria by the Protheo team.

An "integrated compilation and performance monitoring infrastructure", facilitating compiler-optimization research and involves a collaborative effort by Hewlett Packard, University of Illinois and New York University.

Rule-based structural transformation is utilized as a paradigm for rapid generation of complex programs.