Axialis IconWorkshop is an icon creator to help generate, edit, convert or make your own icons for Windows (.ico) and Macintosh (.icns) in a fully intergrated workspace. The icon editor also supports Windows Vista icons.

Microangelo Toolset is an icon software package developed by Eclipsit Corporation and boasts "the Grand Daddy of Icon Software".

The Eclipsit Corporation is a Microsoft certified partner. And the Microangelo toolset is the “Best Desktop Enhancement” winner for the 2006, 2007 Shareware Industry Awards.

IcoFX is an all-in-one freeware icon editor for icon creation, extraction and editing. It looks very professional. With a wealth of tools and more than 40 effects, there's virtually no limit to the icons you can create.

ZNsoft Icon Maker is a free icon maker. Default language is French. You can create icons and cursors, convert images to icons, and extract icons from an .exe file. 

Anything's an Icon is an icon creater and icon editor.Use the image conversion tool to convert scanned images of friends and family, images from digital cameras, images from the Internet into full color icons. Compress any size images or JPEGs into icons. Use a full color pallet with transparency and drawing tools to get the right look. This program includes a sample library of 256-color icons scanned from popular games.