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NoMachine vs TightVNC: catalog facts
NoMachine	TightVNC
Paid A paid licence is required for most editions. Check the vendor's current Personal Edition…	Free Free and open source under the GPL. A commercial licence is sold for redistribution.
Windows, macOS, Linux, Android, iOS	Windows, Linux
Noticeably smooth on video and audio compared with VNC Multi-monitor, printing and file transfer included	Very light on resources, with a Java viewer that runs from any browser host Simple, dependable remote control on a local network
The free tier was replaced by a Personal Edition in version 10; check the current terms Closed source	No relay service; you must reach the machine yourself over the network VNC authentication is weak and needs to be tunnelled over SSH or a VPN
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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