Cult/ui is an open source library of components crafted for design engineers to copy and paste into their React projects.

TWBlocks is a collection of free and open-source website blocks that you can copy and paste into your react projects.

Can I Email is a reference for HTML and CSS compatibility across email clients including such as Apple Mail, Gmail, and Outlook.

CSS selectors (css-selectors.dev) is a course from nana and Ryan Yu that helps you learn, practice, and master CSS selectors.

Learn HTML and CSS with the help of awesome visuals. This e-book for beginners includes over 25 HTML and over 60 CSS topics explained...

Search for every Tailwind CSS utility class in one single page. This cheat sheet tool gathers class names under one single source of truth, helping...

Generate beautiful mesh gradients! Color Morph is a mesh gradient generator that will bring color into your backgrounds.

CSS.GUI - an open source visual editor made by Adam Morse. Create your own custom design tools without writing any code.

Create illustrations, patterns, icons and more with GradientArt! An advanced CSS gradient editor that will make your design process much easier.

The best animated backgrounds created with in HTML, CSS and Javascript – curated from CodePen.