Https://uxcel.com/ and https://www.uxuiopen.com/ are free for you to learn and practice fundamental skills, and sometimes they even open a few apprenticeship and intern programs if you have the time to invest. I hope you find this useful. Source: 6 months ago

Https://uxcel.com It has variety of courses to build your UX skills, from beginners to advanced level. People like to call it Duolingo for UX learning - as every learning material is gamified - from courses all the way to skill and tools assessments. Source: 12 months ago

Uxcel - basically gamified UX design learning :). Source: about 1 year ago

Try this one, gamified, https://uxcel.com We got an offer of 4$ a month, and we paid only 48$ for 1-year access. Source: about 1 year ago

For design, try uxcel.com. They have free lessons you can dabble in. Source: about 1 year ago

I had heard about Polypane before and I think I may have tried it a few years ago, but nowadays, It's a must for frontend. It helps you build out responsive, accessible apps with all kinds of goodies. Curious about it? I hung out with the creator of Polypane on a live-stream earlier this year. - Source: dev.to / about 1 month ago

Exactly. That's why the emulation option in Polypane are like a mile long. Source: 6 months ago

Polypane is a browser purpose-built for testing UIs. Source: 11 months ago

I first encountered this issue with ::backdrop: Backdrop doesn't inherit from anywhere but after a recent rendering engine update to Polypane I noticed that all my custom selection colors (also powered by CSS custom properties) suddenly stopped working. - Source: dev.to / about 1 year ago

Check out Polypane which lets you do exactly that! https://polypane.app It even has a button that will give you an overview of all your breakpoints right in the address bar: https://polypane.app/docs/breakpoints/. Source: over 1 year ago