ChemDraw - ChemDraw - The Gold Standard for Chemical Structure Drawing and Research Publications.
Avogadro - Avogadro is a free, fantastically easy to use molecule editor.
ImageJ - and Other Health Care
UCSF Chimera - UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular...
LabVantage Pharma - Built Better for Pharmaceutical
Jmol - Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry...