The best free alternative to SBaGen is Gnaural, which is also Open Source. If that doesn't suit you, our users have ranked four alternatives to SBaGen and three of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to SBaGen are Android Binaural player and BrainWave Generator.
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.
Binaural player is an Android application to generate binaural beats. It is based on SBaGen by Jim Peters.
BrainWave Generator is a brain wave stimulation software that generates tones with binaural beats. Effects of brain stimulation range from relaxation and meditation to self-hypnosis and alleviation of headaches and migraines.
