orbitsimulator.com/gravitySimulatorCloud/simulations/1624300906609_2014UN271.html — a website where you can track a comet moving towards the Earth
seismic-explorer.concord.org — here you can look at the history of earthquakes around the world in three-dimensional sections
ykob.github.io/sketch-threejs/sketch/attract.html — a simulator consisting of hundreds of thousands of virtual particles
starrior.com — a virtual starship, thanks to which you can travel through time
angryalien.com — here you can take a look at 30-second parodies of famous movies from rabbits
eol.jsc.nasa.gov/ESRS/HDEV — live broadcast on which you can view the Earth in high resolution
fotoforensics.com — here you can check the photo for the use of Photoshop on it
saijogeorge.com/dummy-credit-card-generator — random credit card numbers generator
quantale.io — this site allows you to see which stocks are trending in real time by mentions from Reddit, Twitter and news
808cube.com — here you can sample a melody on a Rubik's cube and mix it as you like on its edges
toastermuseum.com — the world's largest online exhibition of toasters
lightyear.fm — this site shows which music broadcasts can be heard in space depending on the distance from Earth
artbreeder.com/browse — here you can create new works of art by editing old ones
codepen.io/ste-vg/full/MWpxKYR — a website with a burger that turns into a clickable drum kit
rome2rio.com — using this site, you can build a travel route between any two locations in the world