Download of EntrainerFX4.2.2FinalSetup.jar (EntrainerFX4.2.2FinalSetup.jar ( external link: SF.net): 21,441,565 bytes) will begin shortly. If not so, click link on the left.
Entrainer is a Java program (JRE 1.8.0_05+ required, available from http://java.sun.com/javase/downloads/index.jsp) which creates binaural beat frequencies with sound, light and animations for the purpose of entraining one's brain waves.
EntrainerFX Lite (http://entrainer.sourceforge.net/entrainerfx-lite.html) is a Java applet / JNLP program including a subset of features found in the EntrainerFX distribution. Instructions for use can be found on http://entrainer.sourceforge.net
