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Tailscale vs tsui: catalog facts
Tailscale	tsui
Freemium The Personal plan is free forever with unlimited devices for up to 6 users. Paid plans…	Free Free and open source under the MIT license.
Windows, macOS, Linux, Android, iOS, Command line	macOS, Linux, Command line
Devices reach each other through NAT and firewalls without port forwarding or a public IP Free Personal plan with unlimited user devices for up to 6 users	Configure Tailscale options in a terminal interface Switch exit nodes and compare latency
Sign-in goes through an identity provider, so an account is required The coordination server is a hosted service; running your own means using a separate project such as Headscale	Experimental software Supports Linux and macOS only
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: MIT
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 8, 2026

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