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DWService vs Dayon!: catalog facts
DWService	Dayon!
Free Free to use.	Free Free and open source.
Windows, macOS, Linux, Web	Windows, macOS, Linux
Controller side runs in any web browser Free with an open-source agent	No network setup needed on the assisted computer Low bandwidth use
Relies on the DWService servers Requires an Internet connection	Grayscale image stream is meant for guidance, not full-color work Requires a Java runtime environment
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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