1. barium
    Barium, created in 2025, is an X11 widget toolkit intended to aid the creation of desktop GUIs
  2. binary format
    Binary-types - Binary-types is a library for accessing binary format files with fixed bit-length code-words binascii - binascii is a binary format library for converting binary data to ASCII bintype - BINTYPE is a specification-driven parser generator for binary formats cl-binary-file - The binary file package contains utilities to read and write binary files cl-bson - BSON encoder/decoder for Common Lisp cl-pack - CL-PACK supplies Perl/PHP/Ruby/Python compatible pack() and unpack() functions to allow easy use of binary format protocols and files with the above mentioned languages and C cl-rfc4251 - cl-rfc4251 is a Common Lisp system, which provides support for parsing RFC 4251 encoded binary data, as described in the Data Type Representations Used in the SSH Protocols section of the document cl-wbxml - CL-WBXML reads and writes WAP Binary XML de.setf.utility - de setf utility is a collection of Common Lisp utilities functions and several purpose-specific libraries dso-binary-class - dso-binary-class allows you to declare classes with a specific binary disk layout, and then read and write instances easily fast-io - Fast-io is about improving performance to octet-vectors and octet streams (though primarily the former, while wrapping the latter) float-features - float-features is a portability library for IEEE float features that are not covered by the CL standard id3v2 - Parser for the ID3v2 binary format IE3FP - IE3FP is a library to code and decode floating point numbers in IEEE 754 binary format ieee-floats - IEEE-Floats provides a way of converting values of type float and double-float to and from their binary format representation as defined by IEEE 754 (which is commonly used by processors and network protocols) LISP-BINARY - A library to easily read and write complex binary formats nibbles - Nibbles is a library for accessing octet-addressed blocks of data odd-streams - ODD-STREAMS implements binary streams with "odd" byte sizes packer - The PACKER binary format library implements a "little language" for C-style structures, along the lines of Perl's pack() or Python's struct module simpbin - A library to store data in a simple binary format stl - Read binary triangle data from STL files stl-io - The stl-io library deals with reading and writing binary STL files swap-bytes - swap-bytes is a library for efficient endianness conversion in SBCL and CCL trivial-bit-streams - Trivial-bit-streams implements flexible buffered bit streams
  3. Bioinformatics
    Bioinformatics packages:
  4. blog software
    Blogging software (as opposed to Lisp-related blogs):
  5. book
    A list of Lisp-related books with CLiki pages
  6. BSD sockets
    fsocket - A BSD sockets API for Common Lisp IOlib - I/O(mainly networking) library containing: a BSD sockets library, a DNS resolver and an I/O multiplexer that supports select(2), epoll(4) and kqueue(2)
  7. build
    Build/make systems
  8. Business
    Common Lisp software that helps writing business applications
  9. cache
    cache-cache - A tool to cache GitLab data locally for searching cacle - cacle implements an extensible cache data structure cl-cache-tables - cl-cache-tables is a wrapper around native hash-tables to facilitate in-process caching of common lisp data structures CLACHE - CLACHE is a general caching library for CL function-cache - Function-cache is a Common Lisp function caching / memoization library ucons - Unique conses and functions for working on them vcr - vcr is made to store (cache) and replay results of http calls for easier testing of external services
  10. CAD
    Computer-Aided Design (CAD) and Computer-Aided Manufacturing (CAM) software