ManKai Common Lisp is described as '(MKCL) aims to be a full implementation of the Common Lisp language in compliance with the ANSI X3J13 Common Lisp standard' and is an app. There are more than 10 alternatives to ManKai Common Lisp for Mac, Windows, Linux, BSD and Self-Hosted solutions. The best alternative is Hy, which is both free and Open Source. Other great apps like ManKai Common Lisp are Steel Bank Common Lisp, Armed Bear Common Lisp, CMU Common Lisp and CLISP.
ManKai Common Lisp is mainly a Programming Language but alternatives to it may also be IDEs. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of ManKai Common Lisp.
CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
femtolisp is a simple, elegant Scheme dialect. It is a lisp-1 with lexical scope. The core is 12 builtin special forms and 33 builtin functions. It is fast, ranking among the fastest non-native-compiled Scheme implementations.
MIT/GNU Scheme is an implementation of the Scheme programming language, providing an interpreter, compiler, source-code debugger, integrated Emacs-like editor, and a large runtime library. It's best suited to programming large applications with a rapid development cycle.
Allegro CL is the most powerful dynamic object-oriented development system available today, and is especially suited to enterprise-wide, complex application development. Complex applications with billions of objects are now made easy with Allegro CL 9.0.