LiteIcon

LiteIcon is a simple app which allows you to change your system icons quickly and easily.

Free Mac

IconPackager

What makes IconPackager special is that unlike Microsoft's themes which only change a few icons, IconPackager changes hundreds of icons. A package of icons contains...

Commercial Windows

CandyBar

Brought to you by Panic and the Iconfactory, CandyBar 3 brings the best of CandyBar 2 and Pixadex 2 together into one powerful, new application. CandyBar, as always...

• Discontinued
  See note on website: "Since we’re unsure about the long-term future of changing system icons, we’re not comfortable charging money for CandyBar, and we’re also not comfortable simply making it disappear, instead we’re going to make the current CandyBar free — but unsupported." https://panic.com/blog/candybar-mountain-lion-and-beyond/

Free Mac

IconTweaker

IconTweaker is a freeware application that allows you to customize all your Windows icons. Icons are one of main parts of the Windows interface. Customizing them can...

• Discontinued
  Last version, 1.12, was released on April 2, 2007: it is still downloadable from CrystalXP.net.

Free Windows

WinIcon Customizer

WinIcon Customizer is the standard way to change all the icons on your Windows PC. WinIcon Customizer is an application that will allow users to change almost all of...

• Discontinued
  WinIcon Customizer is not available on the official website anymore, but the version 2.6 is still downloadable from uptodown.com

Free Windows

IconChanger

Icon Changer is a software application that makes changing icons on the desktop fun and easy. It's a hassle-free way to personalize your desktop without submerging...

• Discontinued
  Website and app unavailable.

Commercial Windows