Cool stuff

• Hugin (uses PanoTools)
• Gimp (plugin Pandora)

• Exposition should not change. Keep the shutter button half pressed when you shot.
• Ideally, use a tripod perfectly horizontal

• qtpfsgui (uses pfstools)
• Gimp (explanation)

Single image dynamic range enhancement (aka Fake HDR, Pseudo HDR, HDR from single picture):

• LightZone
• Create different bracketed exposures from the RAW picture, and use classic HDR software then
• Gimp (select image areas with Colors/Filter Pack and change Brightness-Contrast)

• Use a tripod, more simple if pictures does not have to be aligned

• VirtualDub (Windows)
• Avidemux (Linux+Windows)

• sunset/sunrise
• building construction
• driving a car
• clouds
• a whole day/year at your window
• …

• Still night scenes without noise
• Lightning shooting
• Light painting

Possible with Canon cameras and the CHDK firmware, don't know for other cameras.

• Lightning shooting
• Videosurveillance
• Remote shot trigger

• LightZone
• dcraw
• ufraw

• White balance