A well-known NFT marketplace with plenty of users is Opensea. Companies can use the clone of opensea to offer the features

ElastiCSS is a simple css framework to layout web-based interfaces, based on the printed layout techniques of 4 columns but with capabilities to unlimited

Instantblueprint allows you to quickly create a web project framework with valid HTML/XHTML and CSS in only a matter of seconds by entering

eCSStender enables developers to patch CSS support in browsers and experiment with new features. It also enables designers to keep browser-specific

Emastic is a CSS Framework, it's continuing mission: to explore a strange new world, to seek out new life and new web spaces, to boldly

Primer undercoats your CSS by pulling out all of your classes and id's and placing them into a starter stylesheet.  

Less Framework is a CSS grid system for designing adaptive web­sites. It contains 4 layouts and 3 sets of typography presets, all based on a single

Selectivizr is a JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8. Simply include the script

SlickMap CSS is a simple stylesheet for displaying finished site maps directly from HTML unordered list navigation. It’s suitable for most

CSS3 Playground is a client side web application for trying out different css styles. Use this web