Gconvert
IcoFX
Greenfish Icon Editor Pro
IconLover
IconsExtract
JDraw
IconViewer
Thumbico
assertpy
grappa
GconvertIcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
grappa - grappa is an declarative, verbose, and expressive assertion library for Python.
Greenfish Icon Editor Pro - GFIE Pro is a powerful icon, cursor, animation and icon library editor.
IconLover - Icon editor for Windows.
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
JDraw - Open Source SF.net