LispWorks

Key Features

* a native-code compiler and an interpreter for an extended ANSI Common Lisp * an implementation of the Common Lisp Object System with support for the Metaobject protocol * support for 32bit and 64bit versions * native threads and symmetric multiprocessing * Unicode support: it can read and write Unicode files and supports strings encoded in Unicode * Foreign Language Interface (FFI) for interfacing with routines written in C * a Java interface * the Common Application Programmer's Interface (CAPI) GUI toolkit, which provides native look-and-feel on Windows, Cocoa, GTK+ and Motif * an Emacs-like editor (source code is included in the Professional edition) * a Lisp Listener,[2] which provides a Common Lisp Read Eval Print Loop * a graphical debugger, inspector, stepper, profiler, class browser, etc. * a facility to generate standalone executables and shared libraries. To reduce memory size, a tree shaker can be used to remove unused code and data. * on Mac OS X it provides a bridge to Objective-C for using Apple's Cocoa libraries * many of the libraries are written using the Common Lisp Object System and can be extended by the user (by writing subclasses and new methods)