Tabler Free Icons

For web design, there are over 1250 pixel-perfect icons. Free and open source icons created to provide beauty, appeal, and consistency to your website or app. We appreciate Pawe Kuna offering this freeware.

780+ Streamline Emoji

a free assortment of adorable emoji. Vincent Le Moign created it Vincent Le Moign is to be commended for sharing this freeware.

Keyicons – The clean icon set

The simple icon collection you were looking for is available for usage in web and mobile development as well as other places. Thanks to @noyonosoyesa & @elnodos for sharing this freebie!

Essentials Icon Pack for Studio

A pack of 140 icons that covers the basics for your UI icon needs — all for free. They come in 2 flavors — UI Icons for any application, and Business icons for X2B applications. Made for InVision Studio, plus five other formats.