Kerf is a columnar tick database and time-series language. It is written in C and natively speaks JSON and SQL.
SQL HTTP / REST
http://www.kerfsoftware.com/
https://github.com/kevinlawler/kerf
https://github.com/kevinlawler/kerf/raw/master/manual/refmanual.pdf
Kevin Lawler
US
2014
Commercial, Open Source
C
Android, BSD, iOS, Linux