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frp vs zrok: catalog facts
frp	zrok
Free The open-source software is available without a license fee. Hosting, hardware and…	Freemium Open source for self-hosting; NetFoundry also runs it as a hosted service.
Windows, macOS, Linux, Command line	Self-hosted, Command line
Connects a client behind NAT with a reachable server.	Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services
Requires configuring a server and protecting exposed services.	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
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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