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
RefLisp is a small Lisp interpreter written in C++. It has:
an built-in web server, Wiki, LISP server pages, SQL Databases, XML parser, MD5 hashing, regular expressions, reference counting and mark-sweep garbage collection, GPL.
A C++ interface for Common Lisp. Includes a c++ language parser to generate C code and lisp code that uses CLOS and UFFI to interface with the C and C++ code.