Clozure Common Lisp Alternatives

Steel Bank Common Lisp (SBCL) is a high performance Common Lisp compiler.

Open Source

CMUCL is a high-performance, free Common Lisp implementation.

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Hy is a wonderful dialect of Lisp that’s embedded in Python.

CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible.

Armed Bear Common Lisp (ABCL) is a full implementation of the Common Lisp language featuring both...

ManKai Common Lisp (MKCL) aims to be a full implementation of the Common Lisp language in...

Leading commercial Enterprise Development Tools and dynamic object-oriented Common Lisp development tools including Allegro CL with AllegroCache, an Object Database that provides Object Persistence in Lisp, native to the Lisp langauge.

GCL is the official Common Lisp for the GNU project.

Nu is an interpreted object-oriented programming language, with a Lisp-like syntax, it was created...

LispWorks is a commercial implementation and IDE for the Common Lisp programming language.

newLISP is a general purpose scripting language for developing web applications and programs in general in the domains of artificial intelligence (AI), statistics and machine learning.

Guile is the GNU Ubiquitous Intelligent Language for Extensions, the official extension language for the GNU operating system.

Racket (formerly PLT Scheme) is a modern programming language in the Lisp/Scheme family, suitable...

Open Source