Concourse is a hybrid operational and analytics document-oriented DBMS that supported automatic indexing.
The project website went down in 2019 but development continues on Github.
Document / XML
Custom API
http://concoursedb.com/
https://github.com/cinchapi/concourse
https://docs.cinchapi.com/concourse/
@ConcourseDB
Cinchapi Inc.
US
2012
Commercial, Open Source
Java
Apache v2