Syncfusion released its new Metro Studio on March 1, 2012. The utility contains more than 600 metro style icons, with highly customization options. The icons can be saved in various formats like .jpg, .png, .xaml, etc. Also the Size, Padding and Color of the icons can be customizable.
A well sophisticated search will show the required icons in a different view,
Metro Studio will become one of the most essential part of Metro app. developers in near future.
Jawahar's blog 
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