This is a lisp implementation of the Open Sound Control protocol (or more accurately “data transport specification” or “encoding”). The code should be close to ANSI standard common lisp and provides self contained code for encoding and decoding of OSC data, messages, and bundles.

Micros is a SLIME/SWANK implementation forked for use by the Lem editor.

This library is an SDL wrapper as part of an umbrella project that provides cross-platform packages for building large, interactive applications in Common Lisp.

GARBAGE-POOLS is Common Lisp re-implementation of the APR Pools for resource management.

This library provides low-level libuv bindings for Common Lisp.

This is a Common Lisp library providing various utilities.

CL-TYPESETTING is a cross-platform Common Lisp typesetting library for all kind of typesetting applications.

A dataflow extension to Common Lisp that maintains a consistent state of cells according to functions specifying their relation.

My Way is a Sinatra-compatible URL routing library.

This package provides a Common Lisp templating system based on Python Django with a syntax similar to Python Jinja2.

trivial-download allows you to download files from the Internet from Common Lisp. It provides a progress bar.

Osicat is a lightweight operating system interface for Common Lisp on Unix-platforms. It is not a POSIX-style API, but rather a simple lispy accompaniment to the standard ANSI facilities.

This library provides almost the same code as used inside Quicklisp for drawning progress bars

This package provides support routines for the claw Common Lisp package.

This package provides an enhanced EVAL-WHEN macro that supports a shorthand for (eval-when (:compile-toplevel :load-toplevel :execute) ...), addressing concerns about verbosity.

defclass-star provides defclass* and defcondition* to simplify class and condition declarations. Features include:

• Automatically export all or select slots at compile time.

• Define the :initarg and :accessor automatically.

• Specify a name transformer for both the :initarg and :accessor, etc.

• Specify the :initform as second slot value.

See https://common-lisp.net/project/defclass-star/configuration.lisp.html for an example.

Retrospectiff is a common lisp library for reading and writing images in the TIFF (Tagged Image File Format) format.

This is a Common Lisp implementation for the Mustache template system. More details on the standard are available at https://mustache.github.io.

fast-http is a HTTP request/response protocol parser for Common Lisp.

This package provides a small utility library to open a thing (usually a file or URL) in an appropriate handler (usually an external file manager or browser).

Flexi-streams is an implementation of "virtual" bivalent streams that can be layered atop real binary or bivalent streams and that can be used to read and write character data in various single- or multi-octet encodings which can be changed on the fly. It also supplies in-memory binary streams which are similar to string streams.

cl-morse is a Morse code translation library for Common Lisp.

cl-libxml2 is high-level Common Lisp wrapper around the libxml2 and libxslt libraries.

• Interfaces for tree manipulation (like cxml-stp).

• Interface for HTML 4.0 non-validating parsers.

• Specific APIs to process HTML trees, especially serialization.

• XPath API.

• XSLT API.

• Custom URL resolvers.

• XPath extension functions.

• XSLT extension elements.

• Translates libxml2 and libxslt errors to Lisp conditions.

• Extends the Common Lisp iterate library with custom drivers for child nodes enumeration, etc.

• The XFACTORY system provides a simple and compact syntax for XML generation.

cl-annot is an general annotation library for Common Lisp.