( about )


Lisp NYC brings together communities of software technologists dedicated to advancing the foundations of tomorrow's digital science. Our focus is on Functional Programming, Mathematics and Artificial Intelligence.

We feature monthly presentations by industry luminaries available to thousands of members since 2002. Our presentations are video taped and are available on Lisp NYC Vimeo. We organize inter-community social and networking events as well.

We promote education, outreach and software development. We have been involved in:

  • Robocup
  • Google Summer of Code
  • Lisp In Summer Projects
  • ClojureBridge NYC


LispNYC is a unincorporated nonprofit voluntary association. We are registered with the New York State Office of the Attorney General as a charitable organization.

 PO BOX 425
 NEW YORK, NY 10116


The LispNYC 4.5 technology stack consists of:

We've been at this a while, previous versions were based on AllegroServe running on the well regarded Steel Bank Common Lisp (SBCL).


The Directors and Board:

  • Raymond de Lacaze
  • Marc Spitzer
  • Heow Goodman
  • Arthur Smyles

The Organizing Committee:

  • Arthur Smyles (Lead)
  • Jeff Parker (Videography)
  • Zoe Braiterman (Social Media)

Tech crew:


Thanks to the generous and on-going support of:

Even More

We're friendly and don't bite, if you contact us we'll get back to you within a day.

LispNYC is a nonprofit unincorporated association dedicated to the advocacy and advancement of Lisp-based software and development technologies such as Common Lisp, Clojure and Scheme.

We focus on education, outreach, regular monthly meetings and development projects.

Meetings are the second Tuesday of every month, are free and open to all.

Providing parentheses to NYC since 2002