- A Turing machine - This simulation of a simple Turing machine is an application written in Common Lisp (by Edi Weitz)
- Able - Able is a basic lisp editor for Windows/Mac/Linux
- AC Toolkit - AC Toolkit is an open source Common Lisp application aimed at aiding Music composition, ideas are based on AC Toolbox
- acclaim - Acclaim is a Presentation Graphics Application, which takes an input file of sexps describing each slide and renders them using CLX
- ACL2 - ACL2 (A Computational Logic for Applicative Common Lisp) is a theorem prover for industrial Applications
- alpaca - Alpaca is a new text editing application for authors, written in OpenMCL for MacOS X / Cocoa
- Alpine - Alpine is a human/resource accounting application written in Common Lisp and CLIM
- Ant colony optimization - This ACO demo is an application written in Common Lisp (by Edi Weitz)
- axiom - Axiom is a general purpose Computer Algebra application
- beirc - beirc is a CLIM IRC client Application using the cl-irc library as a backend, initially written by Gilbert Baumann, now maintained by Dave Murray and others
- Bosco - Bosco is an application template for MacOS X and Lisp by Mikel Evins that is steadily evolving into a framework
- cc-bnc - cc-bnc is an Application intended for learners of the English language wanting to optimize their vocabulary studies
- Cedilla - Cedilla is a document preparation application with very complete Unicode support
- Chemboy - Chemboy is an application to do basic chemistry calculations
- cl-cbr - cl-cbr is a little cbr (comic book archive) viewer programmed on CMUCL using LTK, but it should work everywhere LTK works
- cl-famix - CL-Famix is a model extractor application, that extract FAMIX-Lisp complaint models from Lisp systems
- cl-ledger - CL-Ledger is a powerful, double-entry accounting system for Common Lisp
- cl-mill - CL-MILL is a CNC milling application generating G-Code, built in Common Lisp
- cl-reversi - cl-reversi is a Common Lisp application of the classic reversi or Othello game
- cl-typesetting - cl-typesetting is a Common Lisp typesetting/document preparation application with capabilities similar to TeX
- clim-chess - clim-chess is a CLIM chess playing game
- clim-desktop - CLIM-desktop integrates several McCLIM apps to make a Common Lisp development environment
- climacs - Climacs is an Emacs-like text editor written in Common Lisp
- Climc - Climc is the Common Lisp Instant Messaging Client
- CLX Grapher - CLX Grapher is an application for graph drawing
- CLXS - CLXS is an early-stage implementation of an X11 server (the part that does the drawing and keyboard/mouse handling) in Common Lisp
- colorize - Colorize is an Application for colorizing chunks of code in several programming languages
- common-db - common-db is a programmable debugging substrate, mostly geared to driving target devices by establishing control via on-chip debugging machinery through a JTAG (IEEE 1149.1) external port
- Datoura - The "Data Touring Machine" is a small, simple and powerful data analysis and plotting application, that generates postscript output
- DTP Prover - DTP Prover, the Don Theorem Prover is described as 'an inference engine for first-order predicate calculus, [specialized] in domain-independent control of reasoning.'
- eclipse - Eclipse is an X11 window manager written entirely in Common Lisp
- Ernestine - Ernestine is a music management application written in Common Lisp
- Express Engine - Express Engine is an Application for working with EXPRESS and EXPRESS-X schemas and their associated data populations
- FEMLISP - FEMLISP is a Mathematics Application which solves partial differential equations with the help of the finite element method (FEM)
- Formal Digital Library - A product of the PRL project and descendant of the Nuprl system, FDL is a system implemented in Common Lisp for developing, refining, and collecting formal proofs
- Geiriadur - Geiriadur is an application for natural language dictionary creation, management and use
- GRT Raytracer - GRT Raytracer is a Common Lisp ray-tracing system
- Gsharp - Gsharp is a graphical, interactive score editing application for standard Music notation
- gtfl - GTFL is a graphical terminal application for Common Lisp
- Hiper - High performance term rewriting E-completion system
- html-extract - An application implemented in CLISP to extract the plain text from HTML documents
- ICanCAD - ICanCAD is a CAD application for analog and mixed-signal (analog and digital signals on the same chip) electronics circuit design
- IMPS - IMPS is an Interactive Mathematical Proof System intended to provide organizational and computational support for the traditional techniques of mathematical reasoning
- jarw-media - media is application for managing and caching the conversion of media
- klatschbase - Klatschbase
- LENS - Lisp Educational Network Simulator (LENS) provides a Common Lisp environment for network simulations
- Lindenmayer systems - This application was written in Common Lisp (by Edi Weitz)
- Lispix - Lispix is a public domain image analysis application for Windows, written and maintained by David Bright at NIST
- lisppaste - lisppaste is an IRC bot that runs under the nickname "lisppaste"
- Mandelbrot set explorer - This mathematics application was written in Common Lisp (by Edi Weitz)
- Maxima - Maxima is a GPL'd Common Lisp mathematics application for computer based algebra (an implementation of MIT's Macsyma system)
- McCLIM Listener - The McCLIM Listener is an Application / Development tool that is part of McCLIM
- McPixel - McPixel is a McCLIM pixel art editor application
- NARCL - NARCL is short for Negative Association Rule Mining in Common Lisp and is an association data mining/machine learning/AI library and application
- Nuprl - A system for manipulating proofs based on the type theory of Martin-Löf
- OCO - OCO has not became an useful OCR application yet
- org-davep-cldict - org-davep-cldict is a Common Lisp Application that provides a McCLIM based interface for talking to a dict server
- org-davep-dictrepl - org-davep-dictrepl is a Common Lisp application that provides a simple repl for talking to a dict server
- plot-2d - Plot-2D is a 2-dimensional data representation and plotting application for Mathematics and scientific data
- Prolog Technology Theorem Prover - The Prolog Technology Theorem Prover is an implementation (in Common Lisp) of the model elimination theorem-proving procedure that extends Prolog to the full first-order predicate calculus
- rip-l - A CD audio ripper and encoder front-end application to paranoia and Ogg Vorbis
- rtorrent-controller - rtorrent-controller is an application to control rTorrent
- Shuffletron - Shuffletron is an MP3 audio player application running on Linux and Mac OS X systems (and possibly elsewhere)
- simplot - Simplot a 2-dimensional data plotting application for Mathematics and scientific data with a simple interface
- SNARK - SNARK (SRI's New Automated Reasoning Kit) is described as "an automated theorem-proving program" being developed in Common Lisp
- stumpwm - Stumpwm is a tiling, keyboard driven X11 window manager application written entirely in Common Lisp.
- system-menu - system-menu is an in-development application based on cl-menusystem that is designed to provide a simple, abstract interface to operating on system definitions such as by asdf and mk-defsystem
- The Regex Coach - The Regex Coach is a graphical Common Lisp application which can be used to experiment with (Perl-compatible) regular expressions interactively
- tinywm-lisp - tinywm-lisp is a Common Lisp port of the TinyWM X11 window manager
- Torta - Torta shows you where your disk space is going
- Towers of Hanoi - Towers of Hanoi is a demo application - written in Common Lisp - for the well-known recursive algorithm of the same name
- TPS - TPS, standing for Theorem Proving System, is a theorem prover for first-order logic and type theory
- WeirdIRC - WeirdIRC is a simple IRC client Application using CL and CLIM
- WinCommand - WinCommand is an Application that can run a console (like CLisp or cmd) inside a window
- yotta-zoomer - Deep Fractal Zoomer application
- zen - zen is a hackable X server written in Common Lisp
Application
Applications suitable for (or at least, intended for) end-users