Browse free open source Lisp Interpreters and projects below. Use the toggles on the left to filter open source Lisp Interpreters by OS, license, language, programming language, and project status.

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  • 1
    CLISP - an ANSI 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.
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    Downloads: 250 This Week
    Last Update:
    See Project
  • 2

    Readable Lisp S-expressions

    Readable Lisp/S-expressions with infix, functions, and indentation

    This project is dedicated to developing more readable format(s) for Lisp-based languages (such as Common Lisp and Scheme) and implementing those formats (readers, pretty-printers, editor macros, etc.). MIT license preferred, to spread them widely.
    Downloads: 5 This Week
    Last Update:
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  • 3
    ECL development has moved to https://gitlab.com/embeddable-common-lisp/ecl
    Downloads: 2 This Week
    Last Update:
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  • 4
    fun4j brings functional programming to the JVM. It's a framework that integrates major concepts from functional programming into the Java Platform. It also provides seamless integration of Java with Lisp coding, by using a lisp-to-bytecode compiler.
    Downloads: 1 This Week
    Last Update:
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  • 5
    xacc.ide is a opensource IDE aimed at mainly .NET development. It has a code editor written in 100% C# code, which is faster than most commercial offerings.
    Downloads: 1 This Week
    Last Update:
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  • 6
    CLearJ is a clean Java-implementation of Common Lisp. The big goals are ANSI standard compliance, interoperability with Java and integration with scripting environments. This project is meant to be a sibling to CLearSharp, with sharing of implementation.
    Downloads: 0 This Week
    Last Update:
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  • 7
    CLearSharp is a clean C#-implementation of Common Lisp. The big goals are ANSI standard compliance, interoperability with Java and integration with scripting environments. This project is meant to be a sibling to CLearJ, with sharing of implementation.
    Downloads: 0 This Week
    Last Update:
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  • 8
    The CommGen platform is intended to be a simple, scalable integration platform for small to medium problem sets. The architecture is simple, consisting of a distributed kernel, distributed O/S, agent and application layer.
    Downloads: 0 This Week
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  • 9

    Firefly's Foxfire

    A lisp system for embedded systems.

    Downloads: 0 This Week
    Last Update:
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  • 10
    ISLISP contrib is a set of lisp libraries for the "ISO/IEC 13816:1997(E) : Programming Language ISLISP", the International Standard version of Lisp standardized by ISO in 1997.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Kawa is a full Scheme implementation. It implements almost all of R5RS (for exceptions see Restrictions), plus some extensions.
    Downloads: 0 This Week
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  • 12
    LispSharp is a fully compiled lisp implementation for the .NET Framework. It uses a Lisp dialect similar to ISO Lisp, it has a Command-line toplevel compiler with Read Compile Print Loop.It references any .NET DLL and produces standard .NET assembly.
    Downloads: 0 This Week
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  • 13
    The intention of this independent research project is to develop a simple programming language that has rather powerful metaprogramming capabilities.
    Downloads: 0 This Week
    Last Update:
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  • 14
    RSLisp is a new dialect of Lisp which works on the NET Framework with a special compilation/interpretation model. If you wish you can download the source and build it yourself for Linux (requires Mono Framework), but I don't promise that it'll work
    Downloads: 0 This Week
    Last Update:
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  • 15
    Republic Common Lisp (RCL) is a Lisp "Distro" in the Linux Style of Distributions. It contains a Lisp implementation and set of libraries and tools.
    Downloads: 0 This Week
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  • 16
    Downloads: 0 This Week
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  • 17
    WebLisp is an implementation of a LISP dialect for commodity webservers, currently supporting both PHP4 and PHP5.
    Downloads: 0 This Week
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  • 18
    XINAL Is Not Arc Lisp. XINAL will be a new dialect of Lisp. Whereas Lisp is practically a programmable programming language, XINAL will be written in a subset of itself, and thus will literally be a programmable programming language.
    Downloads: 0 This Week
    Last Update:
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  • 19
    kin is a set of libraries and tools supporting meta-programming for engineering and technical computing applications. This JVM version of kin has been superseded by the stand-alone version being developed at http://purl.org/net/kin.
    Downloads: 0 This Week
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  • 20
    an embeddable Lisp system that is lightweight, reasonably fast, and highly extensible
    Downloads: 0 This Week
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  • 21
    A Lisp multilanguage design implemented on Smalltalk. Featuring an OOP macro system that works across all the languages. Contains all other languages as Lisp dialects. Fully OOP. Fully documented guided tour. language specs too. assembler, prolog, C#...
    Downloads: 0 This Week
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  • 22
    An implementation of Scheme in Java.
    Downloads: 0 This Week
    Last Update:
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