This free pack of more than 200 icons is suitable for front-end and back-end parts of web sites, primarily focused on blogging. Wide range of arrows, actions, e-mails, calendars, users/groups or search icons are 48×48 pix sized .PNG images. Website: http://semlabs.co.uk/journal/sem-labs-web-blog-icon-pack

This Function Icon set tries to keep a consistent style with quite a glossy look to the icons. Admittedly some are better than others, but whole this pack is valuable content for web developers and designers. There are some of the main Social Media Icons included, such as: Design Float, Digg, Delicious, Furl, Technorati, Flickr, Stumble Upon, Twitter & Many more… Website: http://wefunction.com/2008/07/function-free-icon-set/

This free set includes 26 stylish icons, each icon is a .png at 48×48px, suitable especially for webmasters and web developers. It is free for personal and commercial use, and can be used without attribution. The Web Injection icon set is created by Midtone Design Studio. Website: http://www.tutorial9.net/resources/free-icon-pack-web-injection/

This is another collection of free icons. iconaholic Free Icons contains more than 200 icons, groupped in accordance with their main subject and logicaly categorized for easier browsing. They’re mostly 3D and suitable for both front-end and back-end web graphics. iconaholic Free Icons are downloadable for Windows, Mac OS and are in ICO format. Website: http://www.iconaholic.com/downloads.html

This place offers hundreds of free downloadable icons for both web and desktop applications. You can find there high quality, royality free icons for Windows, Mac and Linux, in .ico, .gif, .png, .bmp and other formats. Icons are grouped in sets and categorized for better navigation. Free Icons Categories Art Icons Application Icons Animal Icons Business Icons Cartoon Icons Computer Icons Food Icons Funny Icons Holiday...

This free icon set contains more than 700 16×16 pixel icons in .png format. Every web developer appreciates this usefull icon set when designing web application with lot of controls. Those are much nicer than written text as well as pretty semantic. The FAMFAMFAM Silk Icon set is absolutely free for both non-commercial and commercial use. Website: http://www.famfamfam.com/lab/icons/silk/ Download: http://www.famfamfam.com/lab/icons/silk/famfamfam_silk_icons_v013.zip

This free icons pack provides nice web 2.0 collection of operating system logos. In .zip downloaded package you can find 18 .png and .ico symbols, including Windows, Linux penguin, Ubuntu distro, Apple in more colors, etc. Free operating system icons pack is released under Creative Common Licence and produced by a member of DeviantArt. Website: http://tatice.deviantart.com/art/Operating-Systems…80146648

Most web developers know that status of document loading where data is on the way but browser still doesn’t have enough bytes to display requested content. In these cases, there’s good practice to inform a user that requested content is loading and will be available soon. This is much better than let a user stare at blank page without information what’s going on. For mentioned above purposes...

This free icon set contains beautifull web related icons. Weby Icon Set brings to you 100 icons at 64×64 pixels ready to be used in your application or website. The icons are available in PNG, ICO and ICNS format. They are free to use for both personal and commercial projects, including websites, templates & software. Website: http://blog.iconspedia.com/icons/…-weby-icon-set-192/

This very nice set of RSS icons has 28 pieces of RSS symbols in various shapes and colors. Downloaded .zip package contains 16×16 and 32×32 pix sized icons of .ico, .icns, tif, .png and .psd file types. These RSS icons are free for any use. Website: http://icojoy.com/articles/23/