Avogadro
Avogadro is a free, fantastically easy to use molecule editor.
18 Alternatives To Avogadro
BKchem
BKChem is a free (as in free software :o) chemical drawing program.
Bforartists
Bforartists is a fork of Blender.
BioBlender
BioBlender is a software package built on the open-source 3D modeling software …
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.
ChemDraw
ChemDraw - The Gold Standard for Chemical Structure Drawing and Research Publications.
ChemJuice Grande
What’s your favorite molecule?
Chemik
Cool Chemistry Tool - educational app for Students.
GPeriodic
GPeriodic is a periodic table application for Linux.
Ghemical
Ghemical is computational chemistry package, which is licensed under GNU GPL .
JChemPaint
JChemPaint is an editor and viewer for chemical structures in 2D.
MicroTracker
Other Health Care
QuteMol
QuteMol is an open source (GPL), interactive, high quality molecular visualization system.
RasTop
RasTop is a molecular visualization software adapted from the program RasMol
Rasmol
RasMol. 96 likes. RasMol is a computer program written for molecular graphics visualization intended and used mainly to depict and explore biological…
UGENE
UGENE is free open-source cross-platform bioinformatics software
VMD - Visual Molecular Dynamics
VMD - Visual Molecular Dynamics, molecular graphics software for MacOS X, Unix, and Windows
pymol
Although PyMOL is built on an open-source platform, compiling PyMOL, integrating third party tools, and learning PyMOL can be difficult. Incentive PyMOL is a packaged software product that makes it easy to become a PyMOL user.