you can manage your graphics easily .It is completely free but still not stable and some feature are not complete . You get the basic tools along like brush ,eraser ,stamp , magic brush , gradient color .Also , it can customize text and gives an effect without transforming the text into vector. It works rapidly on a mac mini.
It weighs only few megabites and launches quickly . It is also a freeware edition .
You need to have a minimum requirements to run this software . Like Mac Intel or PowerPC G4. Mac OS X 10.4 or higher. Recommended to use a best coreImage and graphic card to enjoy full speed .
Features of ChocoFlop
Small, Launches in a pair of seconds
Real Time non-destructive filters
Rich Text Layers
Load and opens many image formats
Supports layers, layer masks, selections
Paint tools with table pressure support
HDR (128 bits per pixel)
Easy to use for photoshop users
Can import many additional RAW formats with dcraw
Net4TV - MagickStudio