ACD/ChemSketch is described as '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' and is a digital painting tool in the education & reference category. There are more than 10 alternatives to ACD/ChemSketch for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best ACD/ChemSketch alternative is Chemaxon Marvin, which is free. Other great apps like ACD/ChemSketch are ChemDraw, Avogadro, JChemPaint and ChemistryLab.
Cool Chemistry Tool - educational app for Students. Chemist will help you in chemical tasks! Use the Periodic Table just like a computer keyboard. With the Chemist you will learn everything you need to know about the elements, compounds and chemical reactions.
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.
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.
Czechia
EU
The Gnome Chemistry Utils include six chemistry related programs:
United States
ChemIllusion is a free online chemical drawing tool with optional AI add-ons for structure help, tutoring, reaction visuals, slides, and teaching workflows.
United States
ChemStitch is a web-native chemical structure editor for chemists — academic researchers, graduate students, postdocs, and industry chemists in pharma, biotech, contract research, and chemical manufacturing.
United States
