I built an open source Codepen alternative – Devcanvas
DevCanvas
  The Editor With Super Powers An online frontend editor, providing an easy sandbox to frontend devs to easily prototype and
			showcase ideas.      Features Everything you need to experiment, build, and teach coding  Keep it private Keep your canvas to yourself and only share with others via link  Embed Embed your project in websites, blogs and documentation  Built-in Plugins Tailwind CSS, Font Awesome, GSAP - just a click away!  SCSS Support SCSS enthusiast? We've got you covered!  Shareable URLs Share your creations with others easily  PWA with Offline support Use DevCanvas like any other native app, even offline  Responsive Design Test how your project looks on different devices  Code Snippets Share code snippets in 50+ supported languages    Support for Easily bring your ideas to live with the tools combination of your choice. Embed  				
<iframe
 src="https://devcanvas.art/v4H9dW/embed?active=css"
/>
			       