Marvin suite is a chemically intelligent desktop toolkit built to help you draw, edit, publish, render, import and export your chemical structures and as well as allowing you to convert between various chemical and graphical file formats.
Chemaxon Marvin vs Avogadro opinions
Marvin is only for 2D sketching, Avogadro offers vastly more functionality
BKChem is a free (as in free software :o) chemical drawing program. It was conceived and written by Beda Kosata and is currently maintained by Reinis Danne.
The last release was in 2010.
Calistry is an online Chemistry Calculator. Till date Calistry contains 70+ calculators in the field of Chemistry. Everything in the website is entirely free to use. Other than calculators, Calistry also provides online molecular viewers that visualizes coordinate file of...This app doesn't have any features at the moment.
The Gnome Chemistry Utils include six chemistry related programs:
- GChemPaint, a 2D chemical formula editor.
- a chemical calculator (computes raw formule, molar weight, mass composition and isotopic pattern).
- a molecule 3d viewer using OpenGL to display molecular models. .
Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry and biochemistry. It is cross-platform, running on Windows, Mac OS X, and Linux/Unix systems.This app doesn't have any features at the moment.
RasMol is a computer program written for molecular graphics visualization intended and used primarily for the depiction and exploration of biological macromolecule structures, such as those found in the Protein Data Bank.This app doesn't have any features at the moment.
ACD/ChemSketch is a chemically intelligent drawing interface that allows you to draw almost any chemical structure including organics, organometallics, polymers, and Markush structures. Use it to produce professional looking structures and diagrams for reports and publications.This app doesn't have any features at the moment.
XDrawChem is a free software program for drawing chemical structural formulas, available for Unix and Mac OS. It is distributed under the GNU GPL. In Microsoft Windows this program is called WinDrawChem.This app doesn't have any features at the moment.Discontinued
Last release (1.10.2-1) was in January 2017.