Wikipedia
SequoiaDB
SequoiaDB is a document-oriented NOSQL database that supports JSON transaction processing and SQL. The database is horizontally scalable and provides high performance. SequoiaDB supports real time query and data analysis, also integrates well with Spark, Hadoop/ Cloudera.SequoiaDB’s first release is in 2013, and the latest release is version V1.10. SequoiaDB was open-source on Dec 2014.