Compare software

CrossOver vs Proton: catalog facts
CrossOver	Proton
Paid Costs $74 with a free 14-day trial.	Free Free and open source, distributed through Steam.
macOS, Linux	Linux
Runs Windows programs without a Windows licence No full virtual machine needed	Integrated into Steam with no setup Bundles DXVK and other translation layers
Paid after the trial Not every Windows program or game works	Linux only Tied to the Steam client for normal use
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.