What are the best free experiments web apps?

People on Linkstore rate Sandspiel, Slow Roads and AutoDraw highly. Every app on this list was opened and checked by a person before it went live.

Are there free free experiments apps?

Yes. Sandspiel, Slow Roads, AutoDraw and Arts & Culture and 14 more are free to use or have a free plan. Sandspiel and Slow Roads are completely free.

Do free experiments web apps need to be installed?

No. They all run in a web browser, so you can open one and start right away. Sandspiel, Slow Roads and Arts & Culture can also be installed to a home screen or dock if you like.

How is this list ordered?

By rating: a weighted average of the ratings people leave on Linkstore, so a few early five-star ratings can't outrank a large, steady score. Nobody can pay to move up.

All Experiments apps

18 best free experiments web apps in 2026

Free experiments apps you can open in a browser tab, best rated first. Every one is free to use or has a free plan. Sandspiel, Slow Roads and AutoDraw are where most people start.

18 apps · 18 free or with a free plan · Updated October 2026

18 free experiments apps

Free and Free plan apps, best rated first.

1
Sandspiel
A falling-sand toy. Fire, water, plants, lava.
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2
Slow Roads
An endless drive through generated countryside.
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3
AutoDraw
Sketch something badly and it guesses the icon.
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4
Arts & Culture
Museum collections and a surprisingly close zoom.
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5
Experiments with Google
A catalog of odd things people built for the browser.
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6
Radio Garden
Spin the globe and listen to live radio from anywhere.
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7
Neal.fun
Playful web toys and interactive essays.
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8
Quick, Draw!
Doodle something and see if a neural network can guess it.
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9
Zoomquilt
An endless zoom through hand-drawn paintings.
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10
The Pudding
Visual essays that explain culture with data.
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11
Pointer Pointer
Move your cursor and see someone point right at it.
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12
WindowSwap
Look out of a stranger's window somewhere in the world.
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13
Bruno Simon
A portfolio you explore by driving a toy car.
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14
Shadertoy
Write fragment shaders and watch them run as you type.
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15
earth
Watch global wind, weather and ocean currents move live.
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16
Poolside FM
A pool party radio station in your tab.
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17
The Useless Web
Press the button and land on a delightfully pointless website.
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18
Patatap
Press any key to make a sound and a shape.
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