For more information on the system, please see the Jigsaw Home Page.

Please register to download Jigsaw. Your information will not be disclosed to any third parties. We will only use your contact data for updates on new versions of the system and for potential questions about system utility and feedback.

Current version: 0.54 (created March 2016)

The current version does not support Java 9. Please make sure to run it with Java 8.



  1. If you have a slow Internet connection and cannot unzip Jigsaw after downloading it, please check the downloaded file size (should be around 130 MB) and try again. Sometimes the download times out on slow connections.
  2. JavaScript has to be enabled for the download. Here are instructions on how to enable JavaScript in your web browser.
  3. We would very much appreciate receiving feedback either about your use of Jigsaw or the reasons why you haven’t used it.  We have created a short survey about this, it will only take a few minutes to fill it out.

Problems? Questions? Feedback? Send email to