cl-azure provides a library to access Microsoft Windows Azure cloud services from Common Lisp.

deeds allows for efficient event delivery to multiple handlers with a complex event filtering system.

YASON is a Common Lisp library for encoding and decoding data in the JSON interchange format.

Birch is a simple Common Lisp IRC client library. It makes use of CLOS for event handling.

KMRCL is a collection of utilities used by a number of Kevin Rosenberg's Common Lisp packages.

Clack is a web application environment for Common Lisp inspired by Python's WSGI and Ruby's Rack.

Babel is a charset encoding and decoding library, not unlike GNU libiconv, but completely written in Common Lisp.

This Common Lisp library provides functions for lzip (LZMA) compression/decompression using bindings to the lzlib C library.

cl-mondo is a simple Common Lisp REPL, just like the SLIME REPL that works on the terminal.

This package provides a Common Lisp testing framework system CACAU which was built to be independent of assertions systems.

This is a Common Lisp library consisting of a collection of useful GPU shader functions, written with Shadow.

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

This system is an implementation of the Common Lisp type system; particularly cl:typep and cl:subtypep.

Support library for numcl that provides Julia-like runtime parametric type correctness in Common Lisp. It is based on CLtL2 extensions.

Funds provides portable, purely functional data structures in Common Lisp. It includes tree based implementations for Array, Hash, Queue, Stack, and Heap.

This package provides Common Lisp bindings to access the linear algebra libraries using the CBLAS API. Currently the OpenBLAS implementation is used.

Forge is a generic build system. Refer to documentation for the specific kind of project you're building to get the full picture.

Moira is a library for monitoring and, if necessary, restarting long-running threads. In principle, it is like an in-Lisp process supervisor.

This package provides a compute-effective-slot-definition-initargs generic function that allows for more ergonomic initialization of effective slot definition objects.

cl-mssql provides an interface to connect to Microsoft SQL server. It uses the libsybdb foreign library provided by the FreeTDS project.

This Common Lisp library converts strings, symbols and keywords between any of the following typographical cases: PascalCase, camelCase, snake_case, kebab-case (lisp-case).

Cells is a mature, stable extension to CLOS allowing one to create classes whose instances can have slot values determined by instance-specific formulas.

ADOPT is a simple UNIX-style option parser in Common Lisp, heavily influenced by Python's optparse and argparse.

This is a trivial utility for distinguishing between a process running in a real terminal window and a process running in a dumb one, e.g. emacs-slime.