stefanom.org/spc/# - this site has a solar system crash simulator.

bejofo.net/ttt - this site allows you to play tic-tac-toe with artificial intelligence.

pokemon.alexonsager.net is a site where you can cross two different pokemon.

google.com/sky - a map of the starry sky that can be viewed in the infrared or microwave spectrum.

musiclab.chromeexperiments.com/Shared-Piano/#pMyf00vwc - an online piano that multiple people can use at the same time.

shre.su/ND9J - this site can assess how much the visitor's voice fits his or her face.

demo.marpi.pl/biomes - a site where you can construct biomes.

gifprint.com - here you can turn any gif animation into a printed flipbook.

gethuman.com - here you can complain about the poor tech support of well-known companies.

beta.weknow.me is a barter knowledge exchange site, where experts from different fields and those who need their expertise meet.

bookfinder.com - this site will help you choose a book to read next.

buttonbass.com - make music from dice online

mentalfloss.com/amazingfactgenerator - this site generates amazing facts every day

everynoise.com - here you can listen to absolutely all musical genres

experiments.withgoogle.com/tendrils - relaxation visualization of music.

whathappenedinmybirthyear.com - this site tells what happened in the visitor's birth year.

dinosaurpictures.org/ancient-earth/#240 - a site that tells what the movement of continents on Earth has looked like over time.

radio.garden - here you can listen to radio from different countries right on the globe.

mentalfloss.com/amazingfactgenerator - this site generates amazing facts every day.

surface-floater.lusion.co - a site that generates a random 3d model.

paveldogreat.github.io/WebGL-Fluid-Simulation is a site where you can set parameters for fluorescent fluid movement and observe it colored in different colors.