32. Plex icons set
This set includes over 100 icons for calendars, antivirus, clocks, email, Microsoft Office applications, social media networks and more.
Vectory is a huge collection of more than 1,000 icons created by Icojam, all in PNG format. It's great for when you're designing a new site as you can use them freely for both personal and commercial projects.
Yet another large collection of mini icons from Icojam with over 1200 40x40 pixel icons that you can use on your site or on client sites. Free to use for both personal and commercial projects.
This epic set contains 2,600 flags in several sizes along with 2 variants – flat and glossy.
36. Social icons
Featuring 150 monochrome social icons designed with simplicity in mind, this set consists of a variety of fully scalable icons provided in AI, EPS, PNG and SVG formats. They are completely free to use in both personal and commercial projects.
Got a furry site? Then these furry social media icons will be perfect for it. Download the six icons for free and use them in your projects without any restrictions.