Nyxt - the hacker's browser.

clasp Common Lisp environment

The Stump Window Manager

The Superior Lisp Interaction Mode for Emacs

A Common Lisp framework for the creation of electronic art, visual design, game prototyping, game making, computer graphics, exploration of human-computer interaction, and more.

Sylvester the Cat's Common Lisp IDE

Clozure Common Lisp

The APL programming language (a subset thereof) compiling to Common Lisp.

An implementation of the Common Lisp Interface Manager, version II

Next-level syntax for C-like languages :)

The main repo for the Medley Interlisp project. Wiki, Issues are here. Other repositories include maiko (the VM implementation) and Interlisp.github.io (web site sources)

Pattern Matcher Compatible with Optima

Armed Bear Common Lisp <git+https://github.com/armedbear/abcl/> <--> <svn+https://abcl.org/svn> Bridge

NASA PVS Library of Formal Developments

Another System Definition Facility, de facto standard build system for CL (mirrored from Common-Lisp.net)

An image processing library for Common Lisp

Algebraic data types in Common Lisp

The Common Lisp Interface Manager

A portable Common Lisp reader that is highly customizable, can recover from errors and can return concrete syntax trees

A minimal testing framework for Common Lisp.

Interactive software environment based on Common Lisp.

Concrete Syntax Trees represent s-expressions with source information

Lisp evaluator in the LIsp for Zick's Lisp implementations

Portable version of the Hemlock editor.

support for non-linux platforms (tested on Darwin) and other misc updates

Environment protocol for Common Lisp compilers.

Bindings to Godot's GDNative API

Simple Hierarchical Ordered Planner - A mirror of

Pseudo, a 2.5d multiplayer roguelike