Tiny Neumorphism UI Framework – Skeuos CSS
Skeuos CSS is a lightweight Neumorphism UI Framework to quickly create a Neumorphic (Soft) UI style web application using pure CSS.
JavaScript & CSS Neumorphism
Neumorphic Bootstrap Theme For Neumorphism Design Trend – neumorph.scss
neumorph.scss is an SCSS library based on Bootstrap 4 that provides a variety of Neumorphic UI elements to implement the Neumorphism Design Trend on your webpage.