Reading the description it sounds virtually identical to what I know about CouchDB: - Distributed document database - Masterless replication - HTTP inter

Reading the description it sounds virtually identical to what I know about CouchDB: - Distributed document database - Masterless replication - HTTP interface - Map-reduce-based query system - Written in Erlang Given that, and its relative obscurity compared to CouchDB, it seems odd that they only place where they bothered to compare the two was on the specifics of their map-reduced based query system.