Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.
Filtron - Create and share your own photo filters on Mac & iPhone
Animista - Create beautiful CSS animations in your browser
CSSCO - VSCO Filters with CSS
Instagram.css - Complete set of Instagram filters in pure CSS
CSSGradient.io - As a free css gradient generator tool, this website lets you create a colorful gradient background for your website, blog, or social media profile.