Fiji - Fiji: A batteries-included distribution of ImageJ.
ImageJ - and Other Health Care
Avogadro - Avogadro is a free, fantastically easy to use molecule editor.
3D Slicer - Slicer is a community platform created for the purpose of subject specific image analysis and...
ACD/ChemSketch - ACD/ChemSketch for personal and academic use brings the power of our structure drawing package to your home computer.
Icy - Icy is an open community platform for bioimage informatics