Alternatives to Allegro CL for all platforms with any license

Racket

Racket (formerly PLT Scheme) is a modern programming language in the Lisp/Scheme family, suitable for a wide range of applications. It goes beyond Lisp and Scheme with...

Free Open Source Mac Windows Linux BSD
Object-oriented Language Add a feature

8 Like
Hy

Hy is a wonderful dialect of Lisp that’s embedded in Python. Since Hy transforms its Lisp code into the Python Abstract Syntax Tree, you have the whole beautiful...

Free Open Source Mac Windows Linux
Object-oriented Language Scripting Add a feature

5 Like
Steel Bank Common Lisp

Steel Bank Common Lisp (SBCL) is a high performance Common Lisp compiler. It is open source / free software, with a permissive license. In addition to the compiler and...

Free Open Source Mac Windows Linux
No features added Add a feature

2 Like
CLISP

CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX....

Free Open Source Mac Windows Linux
Multiple languages Portable Add a feature

1 Like
Armed Bear Common Lisp

Armed Bear Common Lisp (ABCL) is a full implementation of the Common Lisp language featuring both an interpreter and a compiler, running in the JVM. Originally started...

Free Open Source Mac Windows Linux
No features added Add a feature

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CMU Common Lisp

CMUCL is a free, high performance implementation of the Common Lisp programming language which runs on most major Unix platforms. It mainly conforms to the ANSI Common...

Free Open Source Mac Linux
No features added Add a feature

1 Like
ManKai Common Lisp

ManKai Common Lisp (MKCL) aims to be a full implementation of the Common Lisp language in compliance with the ANSI X3J13 Common Lisp standard. It is free software...

Free Open Source Windows Linux
No features added Add a feature

1 Like
Clozure Common Lisp

Clozure CL (often called CCL for short) is a free Common Lisp implementation with a long history. Some distinguishing features of the implementation include fast...

Free Open Source Mac Windows Linux BSD
No features added Add a feature

0 Like
GNU Common Lisp

GCL is the official Common Lisp for the GNU project. Its design makes use of the system's C compiler to compile to native object code, providing for both good...

Free Open Source Windows Linux BSD
No features added Add a feature

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LispIDE

LispIDE is a basic graphical shell for several Lisp and Scheme implementations available for Windows. LispIDE seems to work with: Corman Common Lisp, Steel Bank Common...

Free Windows
Syntax Highlighting Tabbed interface Add a feature

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LispWorks

LispWorks is a commercial implementation and IDE for the Common Lisp programming language. The Personal Edition is intended for personal and educational Lisp...

Free Personal Mac Windows Linux BSD
No features added Add a feature

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