Top Common Lisp GitHub Repositories & Open Source Projects (2026)

Port of the Ledger accounting system (see project "ledger") to Common Lisp

Cheeky prototypes for Common Lisp

Common Lisp package for simple two dimensional computational geometry.

eXtensible Component Verifier and Builder for Common-Lisp (mirrored from Common-Lisp.net) https://gitlab.common-lisp.net/xcvb/xcvb

A compiler for a Lisp dialect

cl-dbus aims to be a complete implementation of the DBUS protocol used in popular desktop environments.

A Common Lisp bencode library. Bencode is the encoding used by BitTorrent.

A Tetris game written in Common Lisp

cl-blapack is a set of common lisp bindings to blas and lapack. This particular repo tracks modifications of Evan Monroig's modifications of rif's cl-blapack library.

Trivial IRC client library for Common Lisp

Foreign-Numeric-Vector, a common lisp package supporting the use of foreign-stored arrays in common lisp for numerical work.

Web development with Common Lisp and hunchentoot

A blog site generator in common lisp

Migrations for Common Lisp

text-based online game engine

Ernestine is a music management application in McClim.

algorithmic music project

Common Lisp binding to KyotoCabinet/TokyoTyrant/TokyoDystopia libraries

A Simon game written in Common Lisp

TBD