Transitions.dev: UI transitions for AI agents
Transitions.dev: UI transitions for AI agents
Slidev
Presentation slides for developers
QuickTiny
Paste Anything. Find the Right Tool
Periodic Table of HTML Elements
All elements of the current HTML specification laid out as a periodic table
neat-annotations
Arrows and handwritten labels for your website. Pure CSS, no JavaScript.
Interface Cheat Sheet
Practical tips for making your interfaces clearer, easier to use and more polished.
Front-End Checklist
Trusted front-end quality rules for humans and AI agents
FontSelf
Self-hosted Google Fonts configurator
FrontendAtlas
Frontend Interview Prep: Questions, Coding & System Design
Frontend Dogma
News and Tools for Web Developers, 1990s to Now
FeralUI Free Gradient Builder
Blend soft mesh, grainy, and animated gradients from traditional Japanese colours, then export as SVG, PNG, or MP4 video
CSS Units
A complete interactive reference to every CSS measurement unit
CSS Type Studio
Advanced Typography with CSS
webcompat.dev
The web compatibility tooling landscape
View Transitions Toolkit
A collection of utility functions to more easily work with View Transitions
Vibe Coding UI Specification
Turn visual direction into explicit UI constraints for AI agents
The Field Guide to Grid Lanes
An interactive demo of Masonry layouts in pure CSS
Storied Colors
Named colors with documented histories
SmoothCSS
A design system, CSS framework and UI kit – all in a two small files
Public Domain Image Archive
A hand-picked collection of out-of-copyright works, free for all to browse, download, and reuse
Precise Type
Explore Type Scales, Font Sizes, Line Heights, and Letter Spacing – then export the CSS
Palette Inspiration
Browse, search, and filter beautiful color palettes inspired by the Old Masters.
NotebookLM Slide Styles Collection
A curated collection of visual design styles for NotebookLM slide generation
LiquidGlass
Realistic WebGL glass effects for any HTML element — refraction, blur, chromatic aberration, specular highlights, and more.