913aca9a_ent_repository___Henri_Bergius__CouchDB
[feature] events [JCR / Jackrabbit] JCR Observers can register for content changes on different paths and/or for different node types and/or CRUD, receive notification of changes as serialized node [Midgard] All transactions cause both process-internal GObject signals, and interprocess DBus signals [CouchDB] 
Support for one external event notification shell script
What is a content repository - Henri Bergius
CouchDB