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zrok vs sish: catalog facts
zrok	sish
Freemium Open source for self-hosting; NetFoundry also runs it as a hosted service.	Free Free and open source under the MIT licence.
Self-hosted, Command line	Linux, Self-hosted, Command line
Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services	Works with the standard SSH client, no extra software HTTP, WebSocket and TCP tunnels plus SNI routing
Requires an invite and enabling an environment before sharing Self-hosting involves running OpenZiti infrastructure	Needs a public server and domain to self-host Configuring DNS and certificates takes some effort
Downloadable app, Self-hosted, Hosted service	Downloadable app, Self-hosted
Open source	Open source
License not stated	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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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