You must accept the terms and conditions for using PopART before downloading it. PopART is distributed under the Lesser GNU Public License.

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Stable release downloads:

Beta test downloads:

The beta programme has been discontinued. The latest source code is now available on GitHub: https://github.com/jessicawleigh/popart-current. At this time, compiled versions of the latest source code aren't (yet) available for Mac OSX and Windows.

PopART Manual