A variety of extremely useful icons that can be used for both personal and commercial projects.
22. Free flat icons
Fantastic set of flat designed icons that feature icons for calendars, emails, clocks, maps and more.
23. Mono icons
A beautiful, minimal set which includes 108 unique icon designs that are available as a PNG at 32x32px that you can customise as you see fit.
24. Metrize icons
Here's fantastic resource for designers and developers - a free collection of 300 metro-style icons that you could use for your apps or web projects. They're all free to use in both personal and commercial projects and the download includes not only the PSD, SVG, ESP and AI but also the web font.
Check out this Pika-style vector icons released by the Dutch designers at Dutch Icon. The set includes 42 chunky pixel-perfect icons that you can use for your next personal or client project.
Need some simple icons for your next client project? Here's a set of 44 icons you can use. They're in a PSD format, enabling you to easily edit and adapt them.
27. Token icon set
Token includes 128 unique icon designs, available as an ICO bundling of 16x16px, 32x32px and 256x256px icons, or as a PNG at 128x128px. Each icon has both dark and light variants, and comes along with a PSD which includes the layer styles for each resolution.
28. Flat icons (PSD)
Colourful flat icon set that you can download in a PSD format, allowing you to change colours and adapt each icon so it integrates perfectly into your new project. Check them out.
Here's a complete icon set that includes just about every icon you require on your new site. Starting from Skype, Facebook and Twitter icons to RSS, coffee, like/unlike and many more.
If you're a fan of minimalism then this icon set might be perfect for you. It consists of 48 free icons for office, social and travel, all supplied in AI and PNG formats, fully scalable and in full colour and monochrome coral.
Next: our final six free icon sets