Lightweight Feature-rich Front-end Framework – natUIve
natUIve is a lightweight, responsive, accessible, feature-rich front-end framework developing with HTML, CSS, and native JavaScript.
Frameworks
Playstation Style 16-bit CSS Framework – PSone.css
PSone.css is a Playstation 1 style, 16-bit CSS Framework created for y generation (80s and 90s). Inspired by the NES.css 8-bit CSS framework.
Modern Starter CSS Framework – Mustard UI
Mustard UI is a lightweight, beautiful starter CSS framework for faster modern web app development.
Intuitive Responsive CSS/SCSS Framework – fictoan
A responsive, customizable, modular and open source HTML5/CSS/SCSS framework for creating modern clean web pages and web applications.
1kb Responsive CSS Framework – lit.css
lit.css is a minimal (less than 1kb minified) CSS framework to help you create responsive, pretty clean web app.
Minimal Pure CSS Framework – chota.css
chota.css is a super light, pure CSS framework to help you create responsive, minimal, clean web pages and/or modern web apps.
Mobile-first Bootstrap 4 UI Kit – Shards
Shards is a free, responsive UI toolkit which helps you create modern, mobile-friendly web apps using Bootstrap 4 framework.
Responsive And Accessible CSS Framework – Turret.css
Turret.css is a simple, fast extendable CSS library for generating responsive, accessible, mobile-friendly web applications.
Lightweight Responsive CSS Framework – lighter.css
lighter.css is a lightweight, responsive, mobile-compatible CSS/CSS3 framework for modern, cross-platform front-end development.
Simple Clean Front-end Framework – BuddyCSS
BuddyCSS is a simple, clean, responsive, easy-to-customizable JavaScript/CSS framework for front-end developers.