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zrok vs ngrok: catalog facts
zrok	ngrok
Freemium Open source for self-hosting; NetFoundry also runs it as a hosted service.	Freemium Free to start, with paid plans for more features.
Self-hosted, Command line	Windows, macOS, Command line
Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services	Public URL for a local app in one command Useful for receiving webhooks during development
Requires an invite and enabling an environment before sharing Self-hosting involves running OpenZiti infrastructure	Traffic is routed through ngrok's service Product has grown into a broad commercial platform beyond simple tunnels
Downloadable app, Self-hosted, Hosted service	Downloadable app, Hosted service
Open source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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