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NuiSftp vs Shellngn: catalog facts
NuiSftp	Shellngn
Free Free and open source under the MIT licence.	Freemium Free sign-up for the cloud service; the self-hosted Pro edition is a paid product.
Linux	Web, Self-hosted
SSH and SFTP in one application Open source under MIT	SSH, SFTP, RDP and VNC in one browser interface No client installation needed on the device you connect from
Linux only Sparse documentation on the project site	Not open source Cloud edition routes connections through a third-party service
Downloadable app	Self-hosted, Hosted service
Open source	Closed source
License: MIT	License not stated
No account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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