zrok is not limited to a managed offering. You can host your own instance of
zrok as well.
also freely available as open source software hosted by GitHub under a very permissive Apache v2 license.
zrok is also offered as a cloud service, making it instantly accessible to a large population immediately.
NetFoundry provides a manged version of
zrok at https://zrok.io. This provides the easy-to-use,
quick to demonstrate features of
zrok without needing to deploy and host