Apps similar to Sib Icon Editor include IcoFX. It's paid, but Iconion and JDraw are free. Other options are Icon Slate, icoworks and Image to ico Easymode. In total there are six Icon Creators like Sib Icon Editor for Windows, Mac, Linux and the web.
IcoFX is a professional icon and cursor editor designed to work with small images. You can easily create, edit, read and save icons with transparency for Windows XP, Vista and Macintosh. You can convert your favorite images into icons, or icons to images.
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Iconion allows you to convert any icon font into fantastic-looking png icons by adding color, shadow, background, gradient, stroke and many other fancy elements.
JDraw is a pixel oriented graphics editor designed especially for small to medium-sized pictures used to decorate web pages. It is completely written in Java, simple to use and saves (animated) GIFs, ICOs and PNGs.
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This program makes it simple to get a proper .ico image for your PC software or website favicons. It focuses on what matters and tells you exactly what you need.
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