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Cloudflare Tunnel vs zrok: catalog facts
Cloudflare Tunnel	zrok
Freemium cloudflared is free and open source, and Cloudflare Tunnel is available on Cloudflare's…	Freemium Open source for self-hosting; NetFoundry also runs it as a hosted service.
Windows, macOS, Linux, Command line	Self-hosted, Command line
No inbound ports opened; the daemon connects outbound to Cloudflare Works behind carrier-grade NAT where port forwarding is impossible	Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services
Requires a Cloudflare account and a domain on Cloudflare Your traffic passes through Cloudflare, which is a dependency and a trust decision	Requires an invite and enabling an environment before sharing Self-hosting involves running OpenZiti infrastructure
Downloadable app	Downloadable app, Self-hosted, Hosted service
Open source	Open source
License: Apache-2.0	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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