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