Interactive pages
5,235 interactive pages · most loved first · page 100 of 219· Tonble one of these
Legacy Survey Sky Browser
Pan and zoom across a giant stitched image of the night sky from the DESI Legacy Imaging Surveys, with millions of galax…
Legacy Survey Sky Browser
A zoomable sky atlas from the Legacy Surveys that lets you pan across deep telescope imagery of the night sky and the ga…
Legex
A replay visualization of United States legislation, showing bills as they are proposed, passed, and signed into law acr…
Legoizer
A small browser tool that turns an image into a Lego brick mosaic, so you can see how any picture would look built from…
LegraJS
A browser graphics toolkit that draws on a canvas using Lego-like brick shapes, so pictures and patterns are assembled f…
Lenia
An interactive continuous cellular automaton where smooth glider-like lifeforms crawl, split and pulse, with sliders for…
Leon Sans
An interactive showcase of Leon Sans, a geometric typeface drawn entirely with code, where the letters animate, wave, co…
Leonid Space
A night-sky simulation of the Leonid meteor shower that lets you watch streaks of light fall across a dark sky from your…
Let Me Google That For You
The classic passive-aggressive web toy: type a question, get a link that plays an animation of someone typing it into a…
Let's Crunch It Retirement Calculator
A stochastic retirement planner that simulates many market scenarios to test the health of your plan across different in…
Let's Hold Hands
A tiny multiplayer moment by Rafal Pastuszak: press and hold to reach out to a random stranger online, wait for them to…
Let's Learn About Waveforms
An illustrated interactive primer on waveforms that explains the shapes behind sound, with live visuals you can tweak as…
Let's Remove Quaternions from Every 3D Engine
An interactive introduction to rotors from geometric algebra, with live 3D diagrams that explain rotation more clearly t…
LetsRobot.tv
A quirky livestreaming platform where viewers control real hobbyist-built robots remotely, blending maker culture with i…
Letter to Nobody
Write an anonymous letter into the void and a stranger's letter washes up in return, with no replies, profiles, or likes…
Lettervoxd
Surfaces one-in-a-billion words used in film dialogue, mining movie subtitles for the rarest vocabulary so you can see w…
Lexi Explorer
A free language-learning site with interactive vocabulary tools, sentence practice, pronunciation audio, and mini-games,…
Lexicoff
A free multilingual dictionary powered by Wiktionary, with definitions, examples, pronunciations, and inflected forms th…
Libby Multi-Library Search
A search tool that checks several libraries at once for a book's availability on Libby, saving you from hopping between…
Library of Babel
A digital take on Borges' story that holds every possible page of 3,200 characters, letting you browse or search for any…
Library of Time
Shows the current date in dozens of calendars from around the world and across history, with a map view, a customizable…
Library Storytime
Enter a US city or ZIP code to see free kids' events like storytimes, crafts, and STEM sessions pulled from live calenda…
LibreSpeed
An open-source, ad-free internet speed test that measures download, upload, and ping directly in the browser without any…
LibreTranslate
An open-source machine translation tool that runs entirely on its own servers rather than sending text to Big Tech, supp…
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