1)   Axialis IconWorkshop 6.11
Use the industry standard to make, edit, convert Windows® and Macintosh® icons. It supports all formats up to Windows Vista (PNG compressed) and Leopard (OSX 10.5). Hundreds of features permit to produce hi-quality icons using a professional tool.

 2)   IconCool Editor 5.68.80308
Powerful icon editor and cursor maker to edit icons, cursors and small web graphics. You can create icons from images of 25 formats or edit icons in exe, dll or icl. Supports 60 image filters, desktop capture, Vista icon editing and more.

 3)   IconCool Studio 5.28.80308
Complete solution for Vista icon and XP icon editing. Import and Export 25 image formats. Offers 60 image filters, PSD plug-ins, transfering to Photoshop and 500 sample Vista icons.