myNoise
mynoise.net
Builds a background soundscape from sliders you set band by band
No sign-upClassic
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somafm.com
Forty-odd human-curated, ad-free radio channels running since the dotcom era.
Groove Salad, Drone Zone, Deep Space One and the rest — commercial-free streams programmed by people rather than a recommendation model, funded entirely by listener donations. Channels are specific enough to be genuinely useful as work music, and they play things an algorithm would never surface. Streams open in the browser or in any player via the direct URLs.
Questions
Works the moment the page loads. No account, no email, no trial. It is broadcast radio — no on-demand track selection, no rewind, and periodic on-air fundraising drives.
Yes. SomaFM sends your input to its own servers to process it. That is fine for public material; for anything containing personal data, use one of the on-device tools instead.
It is broadcast radio — no on-demand track selection, no rewind, and periodic on-air fundraising drives.
Alternatives
Same category or same task, ordered by how closely they overlap.
mynoise.net
Builds a background soundscape from sliders you set band by band
radio.garden
Spin a globe and listen to whatever a local station is playing right now
bandcamp.com
Stream independent music in full, and buy it as lossless files if you want it
musiclab.chromeexperiments.com
Fourteen small experiments that let you build a rhythm and see harmony move
imslp.org
Free scanned sheet music for almost the entire classical repertoire
metronomeonline.com
A metronome that starts clicking the moment the page loads