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localhost.run vs zrok: catalog facts
localhost.run	zrok
Freemium Free tunnels with random domains; custom domains cost $9 per month billed annually.	Freemium Open source for self-hosting; NetFoundry also runs it as a hosted service.
Command line	Self-hosted, Command line
Works with the standard SSH client, nothing to install No sign-up for free tunnels	Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services
Free domains are not stable between sessions Custom domains require a paid subscription	Requires an invite and enabling an environment before sharing Self-hosting involves running OpenZiti infrastructure
Hosted service	Downloadable app, Self-hosted, Hosted service
Closed source	Open source
License not stated	License not stated
No account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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