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Chisel vs zrok: catalog facts
Chisel	zrok
Free Free and open source under the MIT licence.	Freemium Open source for self-hosting; NetFoundry also runs it as a hosted service.
Windows, macOS, Linux, Command line	Self-hosted, Command line
Single static binary acts as both ends of the tunnel Works through HTTP proxies and restrictive egress filtering	Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services
Tunnelling out of a network can breach policy; get permission first No traffic shaping or access control beyond the SSH layer	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: MIT	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.