Neumorphic UI Kit For Bootstrap 5 – Neumorphism UI
A free Bootstrap 5 UI Kit based on the popular Neumorphism Design concept.
Frameworks
Apply Claymorphism Effects To Elements – clay.css
A tiny yet customizable CSS utility library that applies Claymorphism effects To elements using only CSS classes.
Minimal Classless CSS Framework – Simple.css
A lightweight CSS framework (also considered as a CSS reset) that helps developers quickly build a minimal clean looking website.
Bootstrap 5 & Material Design 2.0 UI KIT
A pure JavaScript/CSS UI Kit to help you quickly build Material Design web applications using Bootstrap 5 and 500+ built-in UI components.
Cross-platform UI Components Library – Facefull
A tiny, flexible, and customizable UI components library for both web and desktop applications, which offers 30+ UI components for faster UI design.
Minimal Clean CSS Design System – Pico.css
Pico.css is a minimal, responsive, semantic, reader-centric design system implemented in pure CSS.
Customizable Web Components UI Library – Shoelace
Shoelace is an open-source, highly customizable, framework-agnostic UI components library for modern web application design.
Hand-drawn Styled HTML Elements In CSS – Doodle.CSS
A CSS-only UI library used to create Hand-drawn styled (also called sketchy and cartoony) HTML elements.
Full-featured CSS Utility Library – PrimeFlex
A lightweight, responsive, feature-rich, utility-first CSS framework for building modern websites.
Fully Styled UI Component Library – PCUI
a fully styled UI component library for Vanilla JavaScript and React apps.