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