Best GNU Common Lisp Alternatives & Competitors in 2024

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.

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

Open Source

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

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...

Clozure CL (often called CCL for short) is a free Common Lisp implementation with a long history.

Open Source

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.

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

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

Build and debug modern web and cloud applications, by Microsoft

Open Source

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.

Robust but lightweight and fast, scheme-like lisp implementation; only 150kb.