A design system for building faithful recreations of old UIs.
Open Props UI | A modern CSS UI library
CSS UI library leveraging the most modern features. Components you can copy and paste into your project.
Modern CSS snippets. Every old hack, replaced.
Side-by-side comparisons of outdated CSS techniques and their modern native replacements. Grid, custom properties, nesting, container queries, and more.
Modern CSS snippets. Every old hack, replaced.
Side-by-side comparisons of outdated CSS techniques and their modern native replacements. Grid, custom properties, nesting, container queries, and more.
Components.build
An open standard for building modern, composable and accessible UI components.
tailwindcss - npmx
A utility-first CSS framework for rapidly building custom user interfaces.
Building a UI framework
Building a UI Framework Ian Hickson (ian@hixie.ch) — 2025 — First Edition — https://software.hixie.ch/ui-frameworks To leave comments, use the edit version. Introduction This document examines important design decisions for creating a new graphical UI framework. It was commissioned to answer the...
una.im | Modern CSS theming with light-dark(), contrast-color(), and style queries
Combine three new CSS features to build fully adaptive themed components.
18 Best CSS Libraries/Frameworks for UI/UX Designs 2024
Here are the 25 best CSS libraries/frameworks for UI/UX designs which make your frontend development more easier and productive with custom features.
2026 CSS wishlist – Nathan Knowler
What I’d like to see prioritized for CSS in 2026, how those features will allow us to create better web-based design systems, and how they renew separation of concerns.
The CSS Selection - 2026 Edition - Project Wallace
The CSS Selection shows real-world CSS usage from over 100,000 websites and looks at the most important metrics.
A new, modern UI component library built on top of Base UI - coss ui
Built for developers and AI.
The Foundation for your Design System
A set of beautifully designed components that you can customize, extend, and build on. Start here then make it your own. Open Source. Open Code.
Physicality: the new age of UI
There’s a lot of rumors of a big impending UI redesign from Apple. Let’s imagine what’s (or what could be) next for the design of iPhones, Macs and iPads.
