Nyxt - the hacker's browser.

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

Migrate to PostgreSQL in a single command!

Reviving the language that brought us the Jak & Daxter Series

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

The Superior Lisp Interaction Mode for Emacs

intended to be a launcher for a major lisp environment that just works.

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.

A fast non-blocking HTTP server on top of libev

A Lisp-to-JavaScript compiler bootstrapped from Common Lisp

Lightweight web application framework for Common Lisp.

Elegant High-Performance Computing

Utilities beyond Alexandria

The Common Foreign Function Interface

A fast HTTP client for Common Lisp

An SQL generator for Common Lisp.

The OpenMusic visual programming / computer-aided composition environment

HTTP client written in Common Lisp

Lispbuilder provides a range of libraries for developing useful portable Common Lisp applications

A correct and safe(er) JSON RFC 8259 reader/writer with sane defaults.

Simple framework for making 2D games

Lisp-Stat main system

Lack, the core of Clack

Fast octet-vector/stream I/O for Common Lisp

cl-cffi-gtk is a Lisp binding to the GTK+ 3 library.

Shen for Common Lisp (Unmaintained)

Seal your generic functions for an extra boost in performance.

Babel is a charset encoding/decoding library, not unlike GNU libiconv, written in pure Common Lisp.