A decentralized search engine. The link provided is a bridge to the Ethereum DNS. It will get you to the search page, but the search results will not have the ".link" appended. You'll need to be running an ENS plugin or an ENS capable browser to open the links in the search results.
Almonit will work without centralized DNS.
It will work without central servers.
It's unknown or not applicable as to how user accounts are handled. It's unknown or is not applicable if Almonit supports cryptocurrency monetization.