dcraw!

Darktable is a virtual lighttable and darkroom for photographers: it manages your digital negatives in a database and lets you view them through a zoomable lighttable. it also enables you to develop raw images and enhance them.

UFRaw (which stands for Unidentified Flying Raw) is an application which can read and manipulate photographs in raw image formats, as created by many digital cameras. UFRaw is available both as a stand-alone utility and as a GIMP plugin.

Make your best shots even better with RAW Power. RAW Power unlocks the power of Apple's RAW engine with simple, easy-to-use controls. Use it as an editing extension inside Apple Photos, or as a standalone, non-destructive RAW photo editor.

MEGUI is a gui interface for dcraw , used to extract files and folder from RAW archives