[matteason]

You might enjoy the binaural beats and ambient radio on https://ambiph.one as a free alternative (disclosure: it's my site). Not as science-y as brain.fm but it helps me a lot with focus

[criddell]

Wow - nice work! Your site looks and works great. Thanks for sharing it.

[matteason]

Thanks, glad you like it! I'm all ears if you have any suggestions (here or there's a feedback form linked at the bottom)

[ivansavz]

You have created a fantastic site. Endless combinations.