Ultimate Roundup of Free User Interface Icons

The role and purpose of icons is user interaction is very important these days. Icons can enhance the user experience and user friendly icons are really appreciative but they should be unique and easy to understand. There are so many icon websites available on the web but what we are presenting here is only high quality and web2.0 free icon packs collected from various websites ,designers galleries and blogs.
In this icons series we have divided the icon packs in to three main categories. Web and user interface icon-packs, Social-media packs and other icon packs.You might have seen these icons somewhere, But we narrated here some of them you might have not seen. Not all icon packs are for commercial projects, you can use some of them for your private projects and for your personal use. Please see the usage license and derivation rules carefully before using any icons.I’m 100% sure you will love this Huge and Extensive collection of icons.

Web and User interface icons:

In this category you can download the vector,dock and some illustrator icons for your web design and development system and your CMS too.

1.Scalable icons

This set contains 25 scalable Illustrator format icons.
Disclaimer & Conditions: The set is licensed under Creative Commons License.Redistribution, Release for Download, use for commercial purpose or selling of these icons on an another site without permission is completely prohibited.

2.Free vector icons

Here are 30 free vector icons with an apple touch to it. The download contains the PSD source file.These icons can also be used as iPhone menu bar icons.

3. Diagona-icons

400 (200+200) icons are included in PNG format (10×10 and 16×16 pixel).To remove the attribution, please purchase the license.

4. Free web development icons

Free web development icons icon set is done in web 2.0.
License: These icons are free to use in any kind of project unlimited times.
Amount of icons: 80 , Icon Sizes: 24×24

Amount of icons: 60 Icon Sizes: 24×24

Amount of icons: 26 Icon Sizes: 16×16

Amount of icons: 32 , Icon Sizes: 16×16

Amount of icons: 26 , Icon Sizes: 16×16

5. Blogging icon set

Specially designed for bloggers. There are totally 12 shiny and modern icons for your blog. Sizes 24×24, 36×36 and 48×48 in png format. Blogging Icons Set is released under Creative Commons License, please feel free to use it on your personal and commercial projects.Designed by Blog perfume.

6. Go-green-minimalistic-icons

In this icon pack, there are 108 different icons. You can use for your websites, blogs or applications. These icons comes with e Commerce icons, social media, computer accessories, multimedia icons.These icons are available in 64 x 64 px and in transparent PNG formats.It’s a freebie from Dawghouse design studio.

7. Tango icons

It’s a revision pack of the previous release in Tango style.licensed CC BY-SA.

8. Function-icon-set

A consistent style with a glossy look with a set of 128 Free Icons for you to use in any projects,These icons are absolutely free! You can use them anywhere.

9. One bit icons

Icon set of 50 icons.
License: These icons are free to use in any kind of commercial or non-commercial project unlimited times.

10. Vaga icon sets

Set of 60 icons, semi-transparent .png icons (16 x 16) ready to use and available for free download.

11. Woofunction-web design icons

The Woo Function icon set includes 178 amazing web-related icons in a sophisticated and glossy design style. All 178 icons are available at 32×32 pixel PNG files.This is a classy icon set from woo themes.It’s a collaboration of wefunction and woothemes.This icon set is released on the GNU general public license.

12. WIP-Web-Iconset

A beautiful icon set for web designer’s personal use.
License: For non-profit use ONLY. Commercial(e.g. for company website, application interface etc.) use is strictly forbidden.

13. Iconic project

Iconic is a minimal set of icons consisting of 103 marks in raster and vector formats — free for public use.This set is currently licensed under the Creative Commons Attribution-Share Alike 3.0 license.

14. Glossy Buttons

This set have clean and crispy look with consistency.The Glossy Buttons is a collection of 33 high-quality stylish icons ranging from 16×16 to 48 x 48 pixels.This icon collection is created for multiple uses.The icons can be used royalty-free by the license for any personal or commercial project including web application, web design, software application, mobile application, documentation, presentation, computer game, advertising, film, video.

15. Icons from iconblock

Snow pack
102 royalty free website & GUI icons in various formats that can be used for both personal and commercial purposes.

Blue Coral
More collection of 77 blue and grey rounded button icons designed for website use. These icons are perfect if your looking for simplicity and style as well as uniformity. A freeware release

Lingo
74 xp themed icons that will surely breath new life into your blog or website application.

16.ORB icons

Free to use,for more information contact the designer.

17.Mini icon collection

Here are 113 10×10 greyscale icons in .gif format. Creative Commons Attribution-ShareAlike 2.5 licence.

Just another mini icon set

Pretty small icons.Some rights reserved.This work is licensed under a
Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.

18.ColorCons icon set

ColorCons are 49 different icons available in 4 different colors.
Formats and sizes included in the package are.Terms of usage are in the pack.

19.Sweetie–BasePack

The Sweetie family is cute and clean.And free! This set has been around for five years, but it’s still going strong.Creative Commons Attribution-ShareAlike 3.0

20.Milky icon set-All in one package

This is another lovely set of simple but nice icons happily created by IconEden.com. The Milky set contains more than 131 icons primarily colored in green, giving an eye-pleasant look and prominent display on either dark or bright backgrounds.

21.Adobe-creative-icons

A special icons of adobe’s master collection.For license please verify in icon page.

22.Bright free icon set

This 148-icon set contains all crisp-shaped icons that are designed for wide use in web applications, multimedia and software.So you can use Bright! for free for your personal and commercial projects.