Best GNU Common Lisp Alternatives & Competitors in 2024

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

Key Hy features:

Python Interoperability Lisp Syntax and Macros Readability Compiles to Python

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

Key CLISP features:

Cross-platform compatibility GNU Licensing Interpreter environment ANSI Common Lisp compliance

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more.

Key DocRaptor features:

Ease of Use Customizable High-Quality Rendering Compliance

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

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

Key Steel Bank Common Lisp features:

Performance Standards Compliance Actively Maintained Robust Debugging Tools

Open Source

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

Key CMU Common Lisp features:

High-Performance Compiler Extensive Library Support Strong Typing System Garbage Collection

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

Key Armed Bear Common Lisp features:

Java Platform Integration Cross-platform Compatibility Rich Library Support Active Development

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

Key ManKai Common Lisp features:

Compatibility Performance Portability Open Source

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

Key Clozure Common Lisp features:

High Performance Cross-platform Support Dynamic Typing and Flexibility Interactivity

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.

Key Allegro CL features:

Performance Rich Development Environment Advanced Features Dynamic Language

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.

Key VS Code features:

Cross-platform Extensibility Integrated Git Performance

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. .