IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
Faviconer - Faviconer.com, or favicon generator, is online tool for creating favicon.
IconViewer - Bot Productions's IconViewer utility allows you to view, copy, and save the icons in a file through its property sheet.
GenFavicon - Generator Favicon.
Greenfish Icon Editor Pro - GFIE Pro is a powerful icon, cursor, animation and icon library editor.
Ordinatore - Those who want to tidy up their Macs will surely love this application.