Gconvert - GConvert icon toolkit: create, edit, extract, manage and convert icons of any size and color depth.
Icon Generator - Icon Generator is a little application built on AIR that lets you generate a CS5 or Web 2.
Thumbico - Thumbico displays and allows saving the thumbnail or icon of any file, image, document, video or...
Icon Slate - Icon Slate lets you easily compose, import and export desktop icons in many formats.
faviconit - faviconit is a tool to create favicons and the HTML header to virtually all devices and browsers.
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.