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Jmol vs Avogadro: catalog facts
Jmol	Avogadro
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Handles molecules, crystals, materials and macromolecules Portable application that runs without installation	Handles systems of thousands of atoms Force fields quickly clean up sketched structures
The desktop application requires Java The scripting language takes time to learn	Assumes some chemistry background Not a full simulation package on its own
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.