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Jmol vs CrystalViewer: catalog facts
Jmol	CrystalViewer
Free Free and open source.	Paid Sold as a paid licence from CrystalMaker Software.
Windows, macOS, Linux	Windows, macOS
Handles molecules, crystals, materials and macromolecules Portable application that runs without installation	Curated library of crystal and molecular structures Real-time rotation and measurement
The desktop application requires Java The scripting language takes time to learn	Paid licence Focused on viewing included structures rather than building new ones
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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