The use of flat icon in web design and mobile UI interface is rising. Here are some collection of Free flat vector icons you can download for free.
Check out this 10 Free Fresh Icon Set for Designers share by designers from around the world for you to use in your next web development projects whether its personal or commercial
Check out this 20+ Best Example of Long Shadow in Icon and Graphic Designs that are created by designers around the Design Community which first brought up by Jeff Escalante.
Showcase of 20+ Free Monochrome Color Icon Set you can download for free. You can use them in your next website design and website development projects.
Check out 35 Best Examples of Modern Flat Icon Set that you can download for free to use in your next flat website designs projects.
Check out Best Example of Perfect Great Details iOS Icons Design. Designers had been more than creative on designing a better and detail-ish iOS icons design.