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itch vs GOG Galaxy: catalog facts
itch	GOG Galaxy
Free The app is free and open source under the MIT licence. Games on itch.io range from free to…	Free Free client; games are purchased individually.
Windows, macOS, Linux	Windows, macOS
Installs, updates and launches itch.io games in one place Notifies you when a developer pushes a new build	DRM-free games with no launcher requirement once downloaded Can unify libraries from multiple other platforms in one view
Only covers itch.io; it is not a general game library manager Browsing and purchasing still happen on the website	Cross-platform library integrations rely on unofficial connectors that can break Smaller game catalog than Steam or Epic on its own
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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