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CrossOver vs GE-Proton: catalog facts
CrossOver	GE-Proton
Paid Costs $74 with a free 14-day trial.	Free Free, with source published on GitHub.
macOS, Linux	Linux
Runs Windows programs without a Windows licence No full virtual machine needed	Extra patches beyond Valve's official Proton Can be chosen per game in Steam
Paid after the trial Not every Windows program or game works	Must be installed manually or with a helper tool Not an official Valve release
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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