That one website that
graphs any equation you type in
Desmos Graphing Calculator desmos.com
FreeSignup optional
That one website that
answers math and science questions in plain English
Wolfram|Alpha wolframalpha.com
Free tierNo signup
That one website that
shows how big countries really are
The True Size Of thetruesize.com
FreeNo signup
That one website that
shows every plane in the sky right now
Flightradar24 flightradar24.com
Free tierSignup optional
That one website that
shows the wind and weather swirling across the globe
earth (nullschool) earth.nullschool.net
FreeNo signup
That one website that
shows the night sky from where you are
Stellarium Web stellarium-web.org
FreeNo signup
That one website that
lets you explore the periodic table
Ptable ptable.com
FreeNo signup
That one website that
shows earthquakes around the world as they happen
USGS Latest Earthquakes earthquake.usgs.gov
FreeNo signup
That one website that
shows ships at sea in real time
MarineTraffic marinetraffic.com
Free tierSignup optional
That one website that
teaches you to touch-type
TypingClub typingclub.com
Free tierSignup optional
That one website that
identifies a plant from a photo
Pl@ntNet identify.plantnet.org
FreeSignup optional
That one website that
zooms from tiny to cosmic to show how big everything is
Scale of the Universe scaleofuniverse.com
FreeNo signup
That one website that
explains how things work with interactive visuals
Bartosz Ciechanowski ciechanow.ski
FreeNo signup
That one website that
teaches you a language for free
Language Transfer languagetransfer.org
FreeNo signup
That one website that
lets you play with science simulations
PhET Interactive Simulations phet.colorado.edu
FreeNo signup
That one website that
finds old maps of any place
OldMapsOnline oldmapsonline.org
Free tierSignup optional
That one website that
shows what Earth looked like millions of years ago
Ancient Earth dinosaurpictures.org
FreeNo signup
That one website that
lets you read classic books for free
Project Gutenberg gutenberg.org
FreeNo signup
That one website that
teaches you music theory for free
musictheory.net musictheory.net
FreeNo signup