JDraw - Open Source SF.net
Quick Any2Ico - Quick Any2Ico is a FREE Portable Application that creates high quality Icon files from any File...
IconWorkshop - Application to create and manage software icons. A must for developers.
IconViewer - Bot Productions's IconViewer utility allows you to view, copy, and save the icons in a file through its property sheet.
RealWorld Icon Editor - Create Windows icons and Mac OS icons from images and 3D models in an integrated icon maker.
BeCyIconGrabber - BeCyIconGrabber is a very small app that extracts icons contained in resource files (DLL, ICL, OCX, CPL, SRC, ICO and CUR). It also enables saving them singly