OsiriX
Crowd-sourced documentation and tutorials by the Cocoa developer community
DICOM Viewer / PACS Workstation software for MacOS X.
Cocoa source code is available on sourceforge.net:
http://www.osirix-viewer.com/SourceCode.html
OsiriX uses these MacOS X technologies: - CoreData - vImage - OpenGL - Multithreading (NSThread)
Toolkits: - VTK - ITK - LibTiff - Jasper - XML - DCMTK