iConvert Icons might be a bit more popular than IcoFX. We know about 1 link to it since March 2021 and only 1 link to IcoFX. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you're looking for an icon editor, there are many available, such as IconWorkshop, Icofx, and Iconion, but I haven't tried any of those. Source: 10 months ago
This will also work and let you create Mac icns files for the same purpose. Source: about 3 years ago
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
Ordinatore - Those who want to tidy up their Macs will surely love this application.
IconWorkshop - Application to create and manage software icons. A must for developers.
Img2icns - Image2icon provides the fastest way to customize your icons, easily and free.
JDraw - Open Source SF.net
ConvertICO.org - Create icons from png, jpg or bmp images easily.