Vaa3D visualizes and explores big 3D/4D/5D images with giga-voxels and
even tera-voxels, within seconds or sub-seconds!

Vaa3D is a handy, fast, and versatile 3D/4D/5D Image Visualization and
Analysis System for Bioimages and Surface Objects. It also provides
many unique functions that you may not find in other software. It is
Open Source, and supports a very simple and powerful plugin interface
and thus can be extended and enhanced easily.