These days, there are plenty of resourceful icon offerings across the web. In this post, we show you the best 15 icon sets the web has to offer, many of which, your collection shouldn’t do without.

1.Function Icon Set

Free icon pack created by the guys over at function containing 128 glossy styled 48px*48px icons. Can be used on any project as long as a link is offered back to the icon download page. Enjoy.

2.FamFamFam Silk Icons

Classic Silk icon set from FamFamFam. Unless you’ve been designing under a rock you’ve seen this set in use somewhere online. One of the most popular sets containing 700 useful icons for your web application. A must have.

3.Doodle Icon Set

Beautiful icon set of hand-drawn icons from Spoon Graphics. This set contains 14 icons inspired by social networking sites. Although this may be an icon pack that you may or may not regularly use often, this pack is a pack we feel you may find nifty, especially considering how hard it is to find beautiful hand-drawn graphics online. And for free at that.

4.Fugue Icons

An amazing set, and a nice primer for any fresh designers. This pack contains over 2.9K icons (unpresedented) for free. Easily the quickest way to up your web design arsenal.

5.Smashing Magazine Royal Icons

Although small in number and niche these are some of the more beautiful, finer icons offered for free on the web. This pack contains 6 “Royal” icons in 4 different sizes. Check them out.

6.Komodo Media Social Network Icons

Possibly the highest-quality free social icon set available online, if not the best. This package contains over 100 icons in 16px*16px and 32px*32px sizes. Serving Komodo Media

7.Addictive Flavor Icons

A huge set of over 750 icons for free use in your projects by Oliver Twardowski for Smashing Magazine. The PSD sources for these icons are also available as a bonus. Go ahead and grab everything there, it’s worth it.

8.Monofactor Icon Set

Beautiful set of glossy vector icons by Monofactor. Contains 25 scalable icons in Illustrator format. Free for personal use.

9.Morcha Glossy Modern Web Browser Set

High quality browser icons coming in 4 different flavors from Morcha. This set contains icons for Internet Explorer, Opera, Netscape, Firefor, Safari, Maxthon, Chrome, Tencent Traveler, and a world icon.

10.Jonas Rask Developer Icons

Beautiful set of 32px*32px toolbar icons. This set is free for developers and private individuals.

11.MezzoBlue Chalkwork Payment Icons

Mezzoblue offers this pack along with an additional actions pack for free. Combined the sets cover over 200 icons for free with regards to commerce. While you’re at it, check out their packs on sale as they are of great quality and quite affordable.

12.Sweetie Icons

A small icon pack consisting of basic “neon” colored icons. A beautiful yet useful pack.

13.Some Random Dude Iconic Vector Icons

Possibly one of the best minimal vector icon packs online. On top of that, it’s free. This pack contains 120 icons with the addition of a public use allowance.

14.Brand Spanking New Mini Icons 2 Set

Brand Spanking New’s classic Mini Icons 2 is a huge set containing 113 greyscale 10px*10px icons. Beautifully crafted and I’ve in the past found these quite useful.

15.Vaga Icons

A ser of 60 png icons at 16px*16px. Some great icons for potential web projects can be found in this package.

16.Greyscale Icons

This pack offers 40 greyscale icons at 34px*34px from e-lusion. Contins plenty of useful icons such as arrows, mathematical functions, and more.

17.Nixus Icon Pack

This icon set from Tutorial9 offers a premium array of 60 icons in png format. Packed in sizes 64px*64px, 48px*48px and 32px*32px.

Don’t wait to get your hands on these packs, this is our roundup of the best selection of free web icon sets on the web. Enjoy.