This package provides some condition classes, functions and macros which may be useful when building slightly complex systems.

Just wrap your Common Lisp function in this macro call and it will be optimized for tail recursion. You will be warned if the function is not tail recursive.

This Common Lisp library provides macros to access foreign memory.

This library provides two strata to access the POSIX shm API:

• the package posix-shm/ffi, a collection of slim bindings to the POSIX API

• the package posix-shm, a lispy wrapper around the FFI that integrates more closely to the features of Common Lisp, and provides a handful of utilities and macros

Features include:

• open, close, create, resize, change ownership of, change permissions of, and memory map to shared memory objects

• open-shm appears more like open from the standard library

• open-shm*, for creating anonymous shm objects

• with-open-shm, with-mmap and similar with- macros for safely accessing resources with dynamic extent

cl-change-case is a library to convert strings between camelCase, PascalCase, snake_case, param-case, CONSTANT_CASE and more.

This package provides a canonical way of converting generalized booleans to booleans.

In Common Lisp, a special variable that is never dynamically bound typically serves as a stand-in for a global variable. The global-vars library provides true global variables that are implemented by some compilers. An attempt to rebind a global variable properly results in a compiler error. That is, a global variable cannot be dynamically bound.

Global variables therefore allow us to communicate an intended usage that differs from special variables. Global variables are also more efficient than special variables, especially in the presence of threads.

Dexador is yet another HTTP client for Common Lisp with neat APIs and connection-pooling. It is meant to supersede Drakma.

This package provides a standard way to canonicalize slot values.

Filtered functions provide an extension of CLOS generic function invocation that add a simple preprocessing step before the actual method dispatch is performed and thus enable the use of arbitrary predicates for selecting and applying methods. See http://www.p-cos.net/documents/filtered-dispatch.pdf for a paper that introduces and explains filtered functions in detail.

bt-semaphore is a semaphore implementation for use with bordeaux-threads.

Very basic library for dealing with CL's hash tables. The idea was spawned through working with enough JSON APIs and config files, causing a lot of headaches in the process.

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

This is a binding to the libyaml library. It's not meant as a full library for YAML, just a bare binding with a couple of utility macros. For a YAML parser and emitter using this, check out cl-yaml.

This package provides a Common Lisp system helping in scripting, it uses uiop:run-program as a backend.

Common Lisp already has major 2 namespaces, function namespace and value namespace (or variable namespace), but there are actually more — e.g., class namespace. This library offers macros to deal with symbols from any namespace.

DIFF is a package for computing various forms of differences between blobs of data and then doing neat things with those differences. Currently diff knows how to compute three common forms of differences: "unified" format diffs, "context" format diffs, and "vdelta" format binary diffs.

This is a utility kit for cl-sdl2 that provides something similar to GLUT. However, it's also geared at being useful for "real" applications or games.

This library extracts the TLD (Top Level Domain) from domains. The information is taken from https://publicsuffix.org.

cl-rmath is a simple, autogenerated foreign interface for the standalone R API libRmath. There has been no effort to provide a high-level interface for the original library, instead, this library is meant to serve as a building block for such an interface.

This library provides trivial percent encoding and decoding functions for URLs.

parse-number is a library of functions for parsing strings into one of the standard Common Lisp number types without using the reader. parse-number accepts an arbitrary string and attempts to parse the string into one of the standard Common Lisp number types, if possible, or else parse-number signals an error of type invalid-number.

Quicksearch is a search-engine-interface for Common Lisp. The goal of Quicksearch is to find the Common Lisp library quickly. For example, if you will find the library about json, just type (qs:? 'json) at REPL.

The function quicksearch searches for Common Lisp projects in Quicklisp, Cliki, GitHub and BitBucket, then outputs results in REPL. The function ? is abbreviation wrapper for quicksearch.

LLOG is a structured logging framework for Common Lisp with a sugared and a typed API, leveled logging (trace/debug/info/warn/error/fatal/panic), multiple encoders (console, JSON, s-expression and pattern) and stream/file/async outputs. Optional subsystems add REPL integration and tamper-evident, hash-chained audit trails.