Nyxt - the hacker's browser.

Lisp code for the textbook "Paradigms of Artificial Intelligence Programming"

An operating system written in Common Lisp

General-purpose editor/IDE with high expansibility in Common Lisp

clasp Common Lisp environment

Mirror of Steel Bank Common Lisp (SBCL)'s official repository

The Superior Lisp Interaction Mode for Emacs

CLOG - The Common Lisp Omnificent GUI

Coalton is an efficient, statically typed functional programming language that supercharges Common Lisp.

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.

Clozure Common Lisp

Common Lisp 3D Graphics Project

The optimizing Quil compiler.

Utilities beyond Alexandria

ACL2 System and Books as Maintained by the Community

A functional, relational database in about 250 lines of Common Lisp

CIEL Is an Extended Lisp. Scripting with batteries included.

The OpenMusic visual programming / computer-aided composition environment

C to Common Lisp compiler

NASA PVS Library of Formal Developments

SQL document database with full history.

Open source Manuscript and Common Lisp examples for my book "Loving Common Lisp, or the Savvy Programmer's Secret Weapon"

Call python from Common Lisp

A Wayland compositor written in Common Lisp

GTK4/Libadwaita/WebKit2 bindings for Common Lisp.

Sento - Actor framework featuring actors and agents for easy access to state and asynchronous operations.

A Common Lisp kernel for Jupyter along with a library for building Jupyter kernels.

VivaceGraph version 3. Open source Common Lisp graph database & Prolog implementation. Supersedes http://github.com/kraison/vivace-graph-v2.

Lisp-Stat main system

Closer to MOP is a compatibility layer that rectifies many of the absent or incorrect CLOS MOP features across a broad range of Common Lisp implementations.