Open soucer and free icons sets
- icones.js - open source icons search
- The Noun Project - Icons for everything
- Smash Icons - 250 design resources with over 490 000 icons
- Flaticon - 3,000,000+ Free vector icons in SVG, PSD, PNG, EPS format or as ICON FONT
- Icons8 - Icons, photos, music, and design tools
- Google Material Icons - Material icons are delightful, beautifully crafted symbols for common actions and items.
- Font Awesome - The world's most popular and easiest to use icon set just got an upgrade. More icons. More styles. More Options.
- SVGBox - SVGBox makes it dead-easy to include icons in your project. Simple