Between 2012 and 2016, I developed a collection of 50 ensembles Reaktor including 28 instruments and 22 virtual effects. It was a lot of work but it seemed important to me to make them accessible by opting for the donatioware model. Today, I would like to warmly thank all the people who participated with enthusiasm: merci. This collection is now (completely) free. Note that it is (unfortunately) n