Compare software

NATMap vs zrok: catalog facts
NATMap	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, Linux, Command line	Self-hosted, Command line
Exposes internal TCP and UDP services without a relay server Bind mode keeps traffic out of the program	Private sharing without exposing a public endpoint Shares files and web content as well as HTTP services
Only works when every NAT layer is full cone No published release binaries in the repository	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
No account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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