HBX Binaural Player is free and open source brainwave entrainment application. It's made using libBinaural ( https://sourceforge.net/projects/libbinaural/ ); it's easy to use and it's entirely written in java for maximum portability.
It includes English and Italian localizations and an example preset.
More presets can be found here: http://hbxplayer.sf.net/file_list.php
******** EDITOR TUTORIAL ********
English: http://youtu.be/ndVw9yrgTGE
Italian: http://youtu.be/ezDrfqFYKMg...