BrainWave Generator is described as 'brain wave stimulation software that generates tones with binaural beats. Effects of brain stimulation range from relaxation and meditation to self-hypnosd alleviation of headaches and migraines' and is an app in the Backup & Sync category. There are five alternatives to BrainWave Generator for a variety of platforms, including Mac, Windows, Linux, Android and iPhone. The best alternative is Gnaural, which is both free and Open Source. Other great apps like BrainWave Generator are SBaGen (Free, Open Source), Brainstate (Paid), Sleep & Binaural Beats (Free) and Android Binaural player (Free, Open Source).
Gnaural is an open source programmable auditory binaural-beat generator, implementing the principle described in the October 1973 Scientific American article "Auditory Beats in the Brain" by Gerald Oster.
Brainstate is a mobile application available on iOS created to help with meditation, relaxation, sleep, and studying. Although originally created as a school project to help students reduce stress and anxiety, it is not limited to students. Binaural beats can be used by all ages.
Binaural player is an Android application to generate binaural beats. It is based on SBaGen by Jim Peters. It is released under the terms of the GNU GPL version 2. The source code is available from Gitorious.