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droidVNC-NG vs QtScrcpy: catalog facts
droidVNC-NG	QtScrcpy
Free Free and open source under the GPL-2.0 licence.	Free Free and open source under the Apache 2.0 licence.
Android	Windows, macOS, Linux
Works with standard VNC clients Remote control as well as screen sharing	Works over USB or the network No root required on the Android device
Designed for local networks, so internet access needs extra setup Android only as the controlled device	Android devices only Much of the wider documentation is in Chinese
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: Apache-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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