ChemDoodle is a chemical drawing software that allows you to create chemical structures and reactions with ease.
Starting from $99
Best Ketcher Alternatives ranked by AI · updated Aug 2026
Ketcher is an open-source, browser-based chemical structure and reaction editor for developers, educators, researchers, and web applications. Its main advantage is an embeddable interface with modern web components, chemical validation, and structure-processing support.
Top 6 Ketcher alternatives
Chemoface is a software for chemical structure drawing and analysis.
Contact vendor for pricing
ChemDraw is a widely used chemical drawing software for creating publication-ready, scientifically intelligent drawings.
Starting from $195/year
ACD/ChemSketch is a chemical structure and reaction drawing application for students, educators, researchers, and practicing chemists. It supports 2D structure editing, reaction...
Pros
- Includes structure-to-name and name-to-structure tools that are stronger than many free editors
- Supports reaction schemes, stereochemistry, templates, and chemical property calculations
- Offers a capable free edition for academic and non-commercial users
Cons
- Windows-focused compared with browser-based editors such as Ketcher and MolView
- Interface is less modern than ChemDraw and ChemDoodle
- Commercial licensing is less transparent than one-time-purchase alternatives
Free for academic and non-commercial use; commercial pricing varies
Avogadr.io is a browser-based molecular editor and viewer for students, educators, and researchers. It lets users build and inspect three-dimensional chemical structures...
Pros
- Runs in a browser without a desktop installation
- Supports interactive three-dimensional molecule building and viewing
- More accessible for teaching than heavyweight computational chemistry suites
Cons
- Less feature-rich than established desktop editors such as ChemDoodle
- Requires a modern browser and reliable internet access
- Not a full replacement for quantum-chemistry preparation or calculation software
MarvinSketch is a chemical drawing tool with a wide range of functionalities for drawing, editing, and visualizing chemical structures.
Pros
- Intuitive user interface
- Integration with ChemAxon tools
Cons
- Some advanced features limited to paid version
- Less versatile compared to some other tools
Free and paid versions
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