This plugin perform various 3D filters on 8-bits or 16-bits gray-levels stacks :
3D median
3D mean
3D minimum
3D maximum
3D maximum local
3D tophat (detect bright spots, TH=I-max(min(I)) )
3D viewer provides hardware-accelerated 3D visualization of image stacks as volumes, surfaces and orthoslices.
This plugin registers (= aligns, matches) a stack of image slices.