Software/Image processing

From MikePeel.net

Software: Operating system and system tools - Programming - Image processing (inc. photography) - Internet applications and tools - Office - Audio and video - Suggestions

SExtractor

SExtractor can build a catalogue of sources within an (astronomical) image. The Source Extractor for Dummies document is more useful than the actual manual, though.

Others

Aperture

Capture One LE

Gallery Remote

Gimp.app

GraphicConverter

HuginOSX & autopano-sift (see my guide to getting this working on MacOSX)

Inkscape

Photomatix Pro

Google Earth

Stellarium