Figma
The go-to interface design tool
TLDraw
A very good whiteboard
Typescale
Create typographical scales
UI Colors
Tailwind CSS Color Generator
LDRS
Open-source loading animations
LottieFiles
Lightweight animation format
Component Gallery
A collection of UI patterns
shadcn/ui
Beautiful accessible components
21st.dev
The NPM for Design Engineers
Aceternity UI
Premium UI components
Tailwind Plus
Library of tailwind components
Motion
Animation library for React
GSAP
Animation for the modern web
Spline
Design in 3D
Three.js
JavaScript 3D librarys
Askable
User research platform
Lummi
AI-powered stock images
Storybook
Build, test, and document UI