UI Inspiration & Design Patterns
- Mobbin - Comprehensive mobile app design patterns and screenshots
- Dribbble - Creative design community and inspiration
- Pinterest - Visual discovery and inspiration
Design Systems & Component Libraries
- Base Brand Guidelines - Brand standards and assets
- Material Design - Google’s design system
- Human Interface Guidelines - Apple’s design principles
Prototyping & Design
Colors
- Coolors - Color palette generator
- Adobe Color - Color wheel and palette creator
- WebAIM Contrast Checker - Accessibility testing
Typography
- Google Fonts - Free web fonts
- Font Pair - Font pairing suggestions
- WhatTheFont - Font identification tool
Icon Libraries
- Heroicons - Beautiful hand-crafted SVG icons
- Lucide - Beautiful & consistent icon toolkit
- Feather Icons - Simply beautiful open source icons
- Iconify - Unified icon framework
Illustrations & Graphics
- Undraw - Open source illustrations
- Humaaans - Mix-and-match illustration library
- Open Peeps - Hand-drawn illustration library
- Storyset - Free animated illustrations
- Freepik - Graphic resources and illustrations
Photos
Development & Code Resources
- Shadcn - Beautiful, accessible components with open code
- Tailwind CSS - Utility-first CSS framework
- Framer Motion - Production-ready motion library
- Lottie - Lightweight animations