- AllegroServe - Portable AllegroServe is a portable version of Franz Inc's AllegroServe HTTP server, which also includes an HTML generator and an HTTP client
- cl-curl - Cl-curl is a set of Lisp binding to the C libcurl HTTP client library, a multiprotocol file transfer library
- cl-kappa - cl-kappa is a general purpose web agent in the spirit of WWW::Mechanize
- cl-mechanize - cl-mechanize is a port of the WWW::Mechanize Perl module for stateful programmatic web browsing, used for automating interaction with websites
- cl-web-crawler - cl-web-crawler is a web crawling library
- Closure - Closure is a free web browser written completely in Common Lisp
- Drakma - Drakma is a fully-featured Common Lisp HTTP client library that knows how to handle HTTP/1.1
- s-http-client - s-http-client is an HTTP client library
- simple-http - This system is no longer being maintained (at least not by Gary King)
- trivial-http - trivial-http is a simple HTTP client library
- www-indexer - www-indexer is a package of utilities for retrieval of Web pages, selecting of their nodes, extracting information and filling Web forms with minimal user iteraction
HTTP Client
Client applications for working with the web (HTTP client libraries, web browsers, crawlers, screen scrapers, etc.)