ImageJ - and Other Health Care
LabCollector LIMS - LabCollector LIMS is modular software, that you can adapt and customize extensively without any particular informatics skill.
Avogadro - Avogadro is a free, fantastically easy to use molecule editor.
ACD/ChemSketch - ACD/ChemSketch for personal and academic use brings the power of our structure drawing package to your home computer.
LabSoft LIMS - LabSoft LIMS software is a full-featured, highly configurable laboratory information management system (LIMS).
TrueChem - TrueChem is software designed specifically to control and automate the management of chemistries, coatings, and wet processes.