Foil provides a protocol and code to interface between Lisp and instances of runtimes such as the JVM and CLR, offering comprehensive, safe, dynamic, efficient, and portable access to Java and CLI libraries from Lisp, with an emphasis on working in Lisp
Attempt of a portable cross-language object-oriented benchmark . So far supporting C++, Objective-C, and Java. Support for Smalltalk, CLOS, CSharp, and Eiffel is in development.