- https://css-tricks.com/front-end-challenges/
- https://devchallenges.io/
- https://www.frontendmentor.io/challenges
- https://www.codementor.io/projects/web
- Make a code/tweet screenshoter kind of thing eg. https://carbon.now.sh , https://snappify.io , https://poet.so
- A utility to create og images eg. https://github.com/wei/socialify
- A simpler postman eg. https://codepen.io/patheticgeek/full/ExmaVxB