Clojure library for stream summarization, cardinality estimation, all that jazz
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Streampunk is a Clojure interface to stream summarization and cardinality estimation libraries, such as stream-lib.

Project Goals

  • Provide a nice Clojure interface to stream-lib and similar libraries
  • Be well tested

Project Maturity

Streampunk is very young.


Streampunk artifacts are released to Clojars. If you are using Maven, add the following repository definition to your pom.xml:


The Most Recent Release

With Leiningen:

[clojurewerkz/stream-punk "1.0.0-beta1"]

With Maven:


Documentation & Examples

The project is very young and we won't start working on the docs before the API stabilizes.

Community & Support

To subscribe for announcements of releases, important changes and so on, please follow @ClojureWerkz on Twitter.

Supported Clojure versions

Streampunk requires Clojure 1.4+.

Continuous Integration Status

Continuous Integration status

Streampunk Is a ClojureWerkz Project

Streampunk is part of the group of Clojure libraries known as ClojureWerkz, together with

and several others.


Streampunk uses Leiningen 2. Make sure you have it installed and then run tests against supported Clojure versions using

lein all test

Then create a branch and make your changes on it. Once you are done with your changes and all tests pass, submit a pull request on GitHub.


The work on this library is sponsored by Open Sensors.


Copyright (C) 2014 Michael S. Klishin, Alex Petrov, and The ClojureWerkz Team.

Double licensed under the Eclipse Public License (the same as Clojure) or the Apache Public License 2.0.