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

Welcome to Clack!

(clackup
  (lambda (env)
    '(200
      (:content-type "text/plain")
      ("Hello, Clack!"))))
Open your web browser and go to http://localhost:5000/.

Easy to Setup

Install Quicklisp and use:
(ql:quickload :clack)

Server

Framework

Presentation

About Clack at International Lisp Conference (2012)
Clack & Caveman at Start Common Lisp (2011)

Blog

Contribution

If you find a bug, please report it on GitHub issues, or you can fork and send a pull request. Thank you for your contribution.

If you want to talk with Clack developers, join us on the mailing list.