ACD/ChemSketch has been discontinued. One of the most popular alternatives is Chemaxon Marvin, which is free. Other popular alternatives are ChemDraw, Avogadro, JChemPaint and ChemistryLab. You can choose from more than 10 Digital Painting Tools like ACD/ChemSketch for Windows, Linux, Mac, Android and iPhone.
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
