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: 207 This Week
    Last Update:
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  • 2
    Lush is a Lisp dialect with extensions for object-oriented and array-oriented programming. Lush is intended for prototyping numerically intensive applications and is designed for easy integration of existing C/C++/Fortran codes.
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    Downloads: 52 This Week
    Last Update:
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  • 3
    ECL development has moved to https://gitlab.com/embeddable-common-lisp/ecl
    Downloads: 4 This Week
    Last Update:
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  • 4

    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: 2 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: 2 This Week
    Last Update:
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  • 6
    Little b is a Lisp-based language which allows scientists to build shareable, reusable mathematical models of complex systems based on shared parts. The initial focus is molecular and multicellular networks. Project web page: http://www.littleb.org
    Downloads: 3 This Week
    Last Update:
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  • 7
    A small but extensible Java based "embedded lisp"- derives from the 1960 Mc Carthy Lisp a new consequently functional, dynamically scoped dialect enriched by modern features (pattern matching, parallel processing, implicit lex. closures etc).
    Downloads: 1 This Week
    Last Update:
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  • 8

    TXR

    Text scraping and data munging language.

    NOTE: TXR used SourceForge for hosting binary downloads only. As of July 26, 2016, TXR uses the site Bintray (bintray.com) for hosting binary downloads. Do not look for new releases here! TXR combines a text scraping language combined with an innovative Lisp dialect geared toward data munging. TXR cribs ideas from modern scripting languages, multiple Lisp dialects, functional languages, and Unix tools.
    Downloads: 1 This Week
    Last Update:
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  • 9
    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: 1 This Week
    Last Update:
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  • 10
    ACDK - Artefaktur Component Development Kit - is a platform independent C++-framework similar to Java or C#/.NET for generating distributed and scriptable components and applications.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Alef++, is a new programming language like Perl and Lisp syntax, with a many changing in classical languages designs, her specification designed to be implemented for any VM, by default can access to any private/protected/default Java fields or methods.
    Downloads: 0 This Week
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  • 12
    An Arc interpreter implemented in Java. Arc is a dialect of Lisp.
    Downloads: 0 This Week
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  • 13
    Berkeley Logo is an interpreter for the Logo programming language. It was originally written in C by Brian Harvey and his students. We are rewriting it to use the wxWidgets graphics library.
    Downloads: 0 This Week
    Last Update:
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  • 14
    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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  • 15
    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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  • 16
    ClearLisp is a Common Lisp interpreter written in C# with a large library including all of .NET and an extensive object model. Supports IIS and XSP or Apache with mono. Includes sample code of a personal, file based wiki web application.
    Downloads: 0 This Week
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  • 17
    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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  • 18
    An interactive, Lisp-like language for .Net scripting and development, having deep .Net integration, sharing type system, GC and other runtime services etc., with transparent access to .Net w/o a FFI or wrappers.
    Downloads: 0 This Week
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  • 19
    Free & Compact Lisp Library for Java 5.0 and later
    Downloads: 0 This Week
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  • 20

    Firefly's Foxfire

    A lisp system for embedded systems.

    Downloads: 0 This Week
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  • 21
    FrAid(FRactal AID) is an interface to Java, allowing it to proc. math. data(functions/equations). A compl. standalone system utilizing the FrAid prog. lang. is available(no need to be Java programmer to use it!). Use instead of Matlab. High res. graphics
    Downloads: 0 This Week
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  • 22
    The purpose of hilisp is to create a lisp interpreter in hindi / devanagri unicode fonts. This will facilitate teaching programming to hindi speaking children at an earlier age.
    Downloads: 0 This Week
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  • 23
    IPSIL is an embedable lisp interpreter which uses dynamic binding and somewhat CommonLISPish syntax
    Downloads: 0 This Week
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  • 24
    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
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  • 25
    Jess-mode is a collection of Emacs Lisp files designed to facilitate the development of Java Expert System Shell (JESS) applications. Currently, the package consists of a major mode for editing source and an inferior mode used to run the Jess interpreter
    Downloads: 0 This Week
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    See Project
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