This is the inkjet only version of an excellent sharpening tool, used as a plug in to Photoshop.  Use this version, for about half the price, if you only want to sharpen for your own inkjet prints.  Works on 8 or 16 bit images.

This is the complete edition of the Nik sharpening tool, used as a plug in to Photoshop.  This allows you to use separate sharpening approached for inkjet printing (by printer brand), offset printing (published articles or books), or the internet, as well as RAW pre-sharpening.  Works on 8 or 16 bit images.

This is a complete edition of the famous Nik filters to be applied to photographic images for a multitude of effects.  This tool is a plug in and works with either 8 or 16 bit images.  The effects will applies as if you had used them in the field (e.g., a gold reflector will only show on one side of the subject, as if you had applied the reflector in the field).