Education
1,350 interactive pages · most loved first · page 17 of 57· Tonble one of these
Find Your Moral Framework
An interactive trolley problem that asks where you stand. Pull the lever or not, answer follow-ups and see whether you l…
Fingerprints Are the New Cookies
An interactive demo that gives you a consistent nickname derived purely from your browser fingerprint, showing that clea…
Fingerspell
A practice site for receptive ASL fingerspelling, free for Deaf and hearing students of American Sign Language to train…
Fingerspelling
Learn the American Sign Language alphabet with your webcam: machine learning watches your hand shapes and tells you when…
Finnish Flashcards
A site for practicing Finnish with simple virtual flashcards that you answer by typing in English or Finnish to expand y…
Flagdoku Flag Search
A flag search engine with more than 9,000 flags that you can filter by color and shape patterns, handy for identifying a…
FlagLookup
A flag database that lets you search country and US state flags by their colors, shapes, and patterns, handy for identif…
Float Exposed
An interactive explorer for floating point formats where you flip individual bits of half, bfloat, float and double valu…
Floating Point Math
The explainer that answers why 0.1 plus 0.2 does not equal 0.3, with side by side examples of the result in dozens of pr…
Flood Map
A map tool that lets you raise sea level by up to 800 meters and see which areas of the world would flood, using elevati…
Flood Maps
An interactive map that floods the world's coastlines at any chosen sea level rise, showing which cities would slip bene…
foldMation
An interactive origami site where folding steps are shown as animated simulations, so you can learn classic folds or des…
For Better For Verse
A University of Virginia tutor for poetic metre: mark the stressed syllables and feet in real poems by Yeats, Donne and…
Foreign Numbers
A listening trainer for numbers, phone numbers, and times in more than 26 languages, with region-specific pronunciation…
FORMAT
An interactive lesson from Obys and Design Educations Series on how vertical, horizontal and square formats shape layout…
Four Color Theorem Map Solver
A demo of the four color theorem where you draw a map of your own and the page colors every region for you, using no mor…
FranklinWrite
A set of creative writing drills based on Benjamin Franklin's self-teaching method, where you study and rework passages…
Fraze.it
A sentence search tool that finds real-world example sentences containing any word or phrase, helping writers and learne…
Free Graph Paper
A graph paper maker that renders print-ready vector PDFs in the browser, with grid, dot, isometric, and lined layouts in…
Free High School Transcript Generator
A free browser tool from Nautilus Homeschool that builds a high school transcript from your courses and grades, handy fo…
Freedom House Map
An interactive world map from Freedom House showing the state of political freedom and internet freedom in every country…
French Republican Calendar
An interactive French Revolutionary calendar that uses the original equinox method, so it never drifts out of sync with…
Fretastic
An interactive guitar fretboard where you look up scales and chords in CAGED and 3-notes-per-string shapes, and play alo…
Fretbot
An interactive guitar theory app that shows scales, chords and backing tracks on the fretboard, a hands-on way to learn…
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