Quarzite is a thin idiomatic Clojure layer on top the Quartz Scheduler
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Quartzite, a thin Clojure layer on top the Quartz Scheduler

Quartzite is a powerful Clojure scheduling library built on top the Quartz Scheduler.

Project goals

  • Support all commonly used Quartz features but follow the 80/20 rule
  • Be (reasonably) idiomatic but easy to understand for people familiar with Quartz
  • Be well documented
  • Be well tested
  • Integrate with libraries like JodaTime where appropriate, like Monger, a modern Clojure MongoDB client does
  • Not a half-assed effort: libraries should be well maintained and test-driven or not be open sourced in the first place

Project Maturity

Quartzite is past 2.0. We consider it to be stable and reasonably mature. Quartz Scheduler is a very mature project.

API changes generally follow semantic versioning and are driven by the user feedback.

Supported Clojure Versions

Quartzite requires Clojure 1.6 or later. The most recent release is always recommended.

Maven Artifacts

The Most Recent Release

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


The Most Recent Version

With Leiningen:

Clojars Project

With Maven:


Getting Started, Documentation

Please refer to the Getting Started with Clojure and Quartz. Quartzite documentation guides are not fully complete but cover most of the functionality.

Quality Clojure documentation is available elsewhere.


Quartzite has a mailing list. Feel free to join it and ask any questions you may have.

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

Quartzite Is a ClojureWerkz Project

Quartzite is part of the group of Clojure libraries known as ClojureWerkz, together with Monger, Welle, Neocons, Langohr, Elastisch and several others.

Continuous Integration

Continuous Integration status

CI is hosted by travis-ci.org


Quartzite uses Leiningen 2. Make sure you have it installed and then run tests against all 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.


Copyright (C) 2011-2017 Michael S. Klishin, Alex Petrov, the ClojureWerkz team and contributors.

Distributed under the Eclipse Public License, the same as Clojure.