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nebula vs n2n: catalog facts
nebula	n2n
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source.
Windows, macOS, Linux, Android	Linux, Command line
Works across several desktop, server and mobile platforms.	Layer-2 networking, so hosts appear to share one LAN Peer-to-peer traffic with a supernode for discovery
Requires certificate management and network configuration.	Configured by hand on the command line Requires running a reachable supernode
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account 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 23, 2026

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