Icons can enhance your web design and add to the user experience. With all the icon sets out there it is hard to narrow it down to free quality icon sets. I have compiled a list of some quality icon sets that I hope will be useful for you. Feel free to post your favorite sets as well.

Free 32px Icon set

This icon set includes many useful icons including social icons like Skype, and Facebook although the twitter icon is outdated.

32px Icon Set

48 Free Designer Icons Set

Here is a great flat icon set, it includes some really good icons directed at web designers

48 free designer icons

40+ Quality Weather Icons

Here is a set of great weather icons.

weather icon set

150+ Line Vector Icon Set

Here is a great set of clean line icons

150 Vector Icon Set

1,262 Mixed Icon Set

This set has some creative icons, and contains 1200+ icons!

1200 icon set

128+ IOS 7 Inspired Icon Set

A well designed icon set inpired by IOS 7 design.

ios 7 inspired icons

300+ Round Icon Set

Beautifully designed rounded icons.

Rounded Icon Set

195 Free Flag Icons

Flat flag icons that are very visually appealing.

flat flag icons

48 Line Icons

Here are some nicely designed icons from Designmodo

48 line icons

20 Flat Social Media Icons

Here are some flat social media icons.

20 social media icons