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PyMOL vs Avogadro: catalog facts
PyMOL	Avogadro
Freemium The open-source build is free; Schrödinger's PyMOL bundles require a purchased license.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Long-established molecular visualization tool Raytraced rendering of molecular structures	Handles systems of thousands of atoms Force fields quickly clean up sketched structures
Official installer bundles need a paid license Aimed at scientific users rather than casual learners	Assumes some chemistry background Not a full simulation package on its own
Downloadable app	Downloadable app
Open source	Open source
License: Python-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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