Downloadstats++ can be downloaded below, simply by registering.
stats++ is distributed under the GNU GPLv3, though other licenses are available1. It can be downloaded by using the form to the right. This will register you to the stats++ Newsletter (updates, news, etc.), and you will receive a welcome email with the username and password.
stats++ can then be obtained by clicking here (Version 0.1).
(Temporarily) needed is also the jScience scientific library (Version x.y).
The instruction manual for stats++ (also with tutorials, etc.) is available on the stats++ wiki.
Note the discussion forums for stats++ (support, suggestions, etc.).