30个真棒和免费的扁平化图标集
图标是平面设计的重要组成部分，这里是一个巨大的扁平化图标集合，可在你的下一个项目中使用。
Batch (PSD, SVG, PNG, Font)
There are 300 icons in Batch and it uses PSD shape layers so they are scalable. Web font option is also great for combining the use with fonts and images.
Flatilicious (PSD)
The set is well-layered and includes 48 items.
The Noun Project (SVG)
The Noun Project is a massive resource of flat icons with 100s of items.
Modern UI Icons (SVG, PNG, XAML, .DESIGN)
1100+ flat icons crafted with Expression Design and available in multiple formats.
Iconmonstr (SVG, PNG)
1700+ black and white flat icons with a slick design. They can be searched and downloaded in multiple sizes.
Metrize Icons (PSD, SVG, EPS, AI, PDF, Font)
300 amazing icons of actions, social networks and more with lots of file format options including a web font.
Pictonic Free (SVG, PNG, Font)
266 flat icons of social networks, browsers, databases, frameworks, operating systems and more.
Gemicon (PSD, PNG)
A huge set (600 items) of flat icons.
iPhone Toolbar Icons (PNG)
150 flat iPhone toolbar icons that are retina-ready (come in 3 sizes).
Metro Icons (PNG)
A set of 130 flat icons that is inspired form Metro UI and available in light or dark + with/without circles.
DeafultIcon (EPS, PNG)
650+ black-colored and flat icons. The PNG version has multiple sizes.
WPZOOM Developer Icons (PSD, AI, PNG)
154 very good looking and bold icons.
Google+ Icons (PSD, PNG)
Google+ styled flat icons (204 icons) that are available in 2 sizes that are available as colored or grey.
200 Foodie Pack (AI, EPS, PNG)
200 flat icons of anything related to food. A pretty unique set.
Climacons (PSD, EPS, PNG and SVG)
75 flat weather icons that are available in multiple formats.
Meteocons (PSD, CSH, EPS, SVG, Font)
A very nice set of flat weather icons to represent any type of air condition.
Flat Cartography Icons – Maki (SVG, PNG)
Maki is a set of 96 different cartography icons that are available in 3 different sizes. Specially the SVG format is very handy for scalable mapping interfaces.
Flat Mapping Icons (PSD, PNG)
A perfect set of 200 flat mapping icons which includes location items of any type.
Simple Icons (PNG)
92 social networking items in flat style. They are available in multiple sizes and black or white in color.
Flat Social Icons (AI, EPS)
An icon set of all major social networks with square and circular backgrounds.
Flat Design Social Icons Set (PNG, PSD)
The set contains 35 flat icons for the major social networks.
Flat Icons (PSD)
24 lovely flat icons in PSD format.
Mono Icons (PNG)
108 mono-colored flat icons are sized 32*32px.
Google-Inspired Flat Icons (PSD)
There are 20 flat icons in the set which are sized 128*128px and comes in PSD format.
Cosmo Mini (PNG)
1262 flat icons sized 40*40px. Items include many things like actions, devices, social and more.
Flat Design Icons (PSD)
These flat icons come in 4 volumes (Vol1, Vol2, Vol3, Vol4) with a total of 64 items. All of them crafted smoothly and as PSD vector shapes.
Flat Icons Set (PSD, EPS)
This set includes 20 flat items in scalable PSD and EPS formats.
Flat Payment Icons (PSD, EPS, PNG)
The set consists of popular payment providers (Paypal, MasterCard, Visa..) icons in a flat design.
Flat File Type Icons (AI, ICO, PNG)
It is possible to find 63 file type icons in this set which also use the long-shadow trend.
Google Services Icons (PNG, ICO)
If you need a flat icon to represent any Google service, this icon set is there for you with its 56 items.