Bomomo
bomomo.com
Sixteen strange brushes and almost no control
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Instruments disguised as web pages. Drag, type or click and something visual or musical appears — no tutorial, no account, no blank canvas anxiety. All 18 were opened and written up by hand, and last checked on 29 July 2026.
10 sites
Good within five seconds of loading.
bomomo.com
Sixteen strange brushes and almost no control
bongo.cat
A cat plays whatever instrument you hit keys for
codepen.io
Click to drop a star and watch particles fall in
mrdoob.com
A sketch tool whose brushes join up your strokes
jacksonpollock.org
Fling paint across a white wall with your mouse
29a.ch
Paint with fire that keeps burning after you stop
patatap.com
Every key on your keyboard is a sound and a shape
tonematrix.audiotool.com
A grid of squares where nothing you play sounds wrong
typatone.com
Write a sentence and hear the note each letter makes
paveldogreat.github.io
Drag your cursor through coloured smoke that swirls back
5 sites
One quick round, then you can leave.
musiclab.chromeexperiments.com
Click a grid of squares and it becomes a melody
david.li
Thick oil paint that smears and mixes like the real thing
incredibox.com
Drag sounds onto beatboxers and build a track
thisissand.com
Pour coloured sand and let it pile up in drifts
zenphoton.com
Draw walls and let a million photons find their way
2 sites
Five to fifteen minutes of proper attention.
beepbox.co
A chiptune sequencer that fits a whole song in a URL
linerider.com
Draw a hill and a small sledder rides whatever you drew
1 site
Clear your evening. We warned you.
turtletoy.net
A tiny turtle draws whatever code you feed it
Cut across instead
Vibes ignore categories, so these lists mix this one with the other seventeen.
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