Icy - Icy is an open community platform for bioimage informatics
ChemDraw - ChemDraw - The Gold Standard for Chemical Structure Drawing and Research Publications.
ImageJ - and Other Health Care
Avogadro - Avogadro is a free, fantastically easy to use molecule editor.
JMicroVision - Image analysis toolbox: measuring and quantifying components of high-definition images
ChemDoodle - Chemical drawing and publishing software for desktop, web and mobile. Affordable and used by thousands of scientists around the world. Free trial available for immediate download.