animatedknots.com - this site contains animations on which you can learn how to tie knots

calm.com - a site where you can relieve stress or calm down

countwordsfree.com — on this site you can count the number of words in the text

bestfirms.com/what-is-my-screen-resolution - the site shows the screen resolution on the current device

foddy.net/Athletics.html — on this site, you can, by controlling a person, make him run, which is not so easy

pixel-me.tokyo/ - turning the face in the photo into such a pixel art

Treehouse - programming courses for home education

The service is considered one of the best, which offers courses from beginner to advanced level in the field of web design, web development, mobile development and game development.

Of the popular programs, this is 100 days when. For 30 minutes a day for a hundred days, you will be sent information for study.

Upscale - the service will improve the photo resolution

Scale and enhance your images with artificial intelligence technology in just a few clicks.

Improve anything: from paintings to digital art, from portraits to landscapes, from logos to product catalog images.

Works with PNG, JPEG, JPG and WEBP formats. Is free.

optillusions.tumblr.com - website with a collection of optical illusions

haxiomic.github.io/GPU-Fluid-Experiments/html5 — this site will turn a computer monitor into luminescent water.

colourise.sg — here you can make color photos from black and white.

worldwidetelescope.org/webclient - virtual telescope

SeamlessGAN - a model for generating seamless textures

A service capable of automatically generating mosaic texture maps from a single input instance.

Unlike most existing methods focused exclusively on solving the problem of synthesis, SeamlessGAN solves both problems of synthesis and mosaicity at the same time.

rainyscope.com - here you can choose the time of the year and listen to the appropriate background sounds

weavesilk.com — here you can draw a pattern with interesting effects

Instapaper - is a popular deferred reading service

Save all the interesting articles, videos, recipes, song lyrics and everything you meet while watching. With one click, Instapaper allows you to save, read and manage things that you find on the internet.

Blackbox — the fastest way to select and copy text from anything

Copy the code from any coding video or live video call and paste it into your text editor just like you copy the code from GitHub and Stack Overflow.

david.li - a strange site where you can interact with three-dimensional objects and see what comes out of it

forebears.io - find out how many people in the world with your last name.

Plask - a neural network that collects 3D animation from video

This is a free browser solution where everyone will be able to digitize their movements and animate them in a matter of seconds with the help of artificial intelligence.

All the necessary animation tools in one place, you don't have to jump from app to app.

Logo To Use - free logos

This is an ideal solution for designers when they need to quickly and efficiently find a logo for a high-quality project, for example in SVG format.