Icon Generator - Icon Generator is a little application built on AIR that lets you generate a CS5 or Web 2.
IconStore - Free icon packs by first-class designers
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
MakeAppIcon - MakeAppIcon resizes and optimizes your icon designs into all formats needed for iOS and Android mobile app!
Icono Maker - Icono Maker is an icon maker for Windows.
Feather Icons - Simply beautiful open source icons