Chemical structure drawing software provides a visual way to create, edit and present molecular structures, chemical reactions and related scientific diagrams. Instead of constructing formulas as plain text, these applications let users work directly with atoms, bonds, rings, charges and other chemical notation. Many also offer tools for automatically arranging structures, calculating basic molecular properties, importing existing chemical data and exporting drawings in formats suitable for documents, presentations and publications.
This type of software is useful wherever chemical structures need to be communicated clearly. A well-designed structural formula can convey information about bonding and molecular organisation far more effectively than a molecular formula alone. Applications in this field range from relatively straightforward drawing programs to more sophisticated packages able to handle large structures, reaction schemes and specialist chemical file formats.
The software is principally aimed at chemists, biochemists, researchers and laboratory scientists, but it is equally relevant to university lecturers, teachers and students studying chemistry or related subjects. Scientific authors can use these tools to prepare figures for papers, reports and teaching material, while developers and researchers working with chemical databases may find their import and export capabilities particularly useful. They can also be valuable to anyone who regularly needs to illustrate molecules or chemical reactions without relying on proprietary chemistry software.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion here.
Click the links in the table below to learn more about each application.
| Chemistry: Chemical Structure Drawing | |
|---|---|
| Ketcher | Web-based toolkit for drawing and editing chemical structures |
| XDrawChem | Draw chemical structures, reactions and schemes |
| JChemPaint | Build and manipulate chemical structures interactively |
| ChemCanvas | Sketch chemical structures with a clean graphical interface |
| Molsketch | Draw molecular structures and export publication-ready graphics |
| Butlerov | Create structural formulas and chemical reaction diagrams |
| BKChem | Create and modify molecular structures and diagrams |
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