Bookmarks
CSS
CSS Grid Generator
Tool for quickly generating CSS grids
CSS Doodle
A web component for drawing patterns with CSS
Animation
Awesome Web Animation
collection of web animation resources & libraries
Keyframes App
UI for creating CSS animations
Math for motion
Cheatsheet for math equations for organic motion
Loading CSS Spinners
Pure CSS loading spinner
SVG
SVG Encode Background Image
Convert SVG Code for background image
SVGOMG
tool for optimising SVG code
Typography
Type Scale Generator
Useful tool to create type scales in CSS
Font Pairing
Font Pairing of Google Fonts
Font Converter
Convert different font formats
Local Typefaces
Compare your installed fonts
Practical Typography
a guide on typography basics
Master Typographic Adventures
a simple typography guide
Design
Gradients
CSS Gradients
Untools - UX Decisions
Collection of thinking tools and frameworks to help you solve problems
General
What Web Can Do Today
Curated list of web APIs
Dev Hints
Hints for any programming language / tool
Screen Sizes
Reference for common screensizes and devices