NGDM is an AJAX based webfrontend with a PHP backend and a Python daemon to control BIND. If you know xname you know what to expect. Just a little more up to date. Basically you get a webinterface to administrate a set of nameservers.
DDnsEditor will be a GUI dynamic DNS (rfc2136) zone editor, similar in functionality to nsupdate. DDnsEditor uses TSIG authentication for all communication with the DNS server. It does not edit on-disk zone files.
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