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+cosmopolite
+===========
+
+Client/server publish/subscribe and key/value storage for AppEngine.
+
+Components:
+* A server API built on the AppEngine Python framework.
+* A browser client library written in JavaScript.
+
+Feature overview:
+* Near-realtime notification to subscribers of messages published to a "subject"
+* Server-side storage of past messages for replay later to clients
+* Support for associating a key with a message and for lookup of the most recent
+    message for a given key
+* Client identification persistence via localStorage tokens or in combination
+    with Google account signin
+* Complex messages supported via transparent JSON serialization
+* Server-side strict ordering of messages
+* Client-side message queueing in localStorage and resumption on restart
+* Message duplication detection and elimination
+* Promise support for notification of client -> server operation completion