Repository of free icon services, icon packages, etc; for web design and graphic design. There are many more, I know. But it's my selection. If you think I'm missing a very important one, please, tell me, or collaborate with me! Thanks!

Note: Those with a ⭐ are my favourite picks.

• Icomoon App ⭐
• Transformicons: Animated icons (HTML5+CSS3+JS)
• Fontello: (SVG and font).
• Font Awesome.
• Icons8: OS packs.

• The Noun Project: Normally, "CC BY 3.0".
• Typicons: (font + SVG).
• Marka
• Material Design Icons: (SVG and CSS sprites, PNG, Hi-dpi versions). Alt: Developers Guide.
• Weather 7 Icon Set: (font).

• CSS ICON ⭐
• Icono

• Linea.io: (AI, PSD).
• Flaticon: (SVG, EPS, PSD or PNG).
• Coucou: (SVG, EPS, PSD or PNG).
• 77 Essential Icons Pattern: (AI, EPS, PDF, PNG, PSD, SVG and icon font).
• Hellium Icon Set: (AI, EPS, SVG, Icon Font).

• Font Squirrel ⭐

• Iconifier ⭐
• http://favicon-generator.org/
• http://fav.ninja/