Memcached by Roberto Zicari · Published January 1, 2011 · Updated February 16, 2014 Free & open source, high-performance, distributed memory object caching system. LINK
Hypertable January 1, 2009 by Roberto Zicari · Published January 1, 2009 · Last modified July 11, 2014
TOKUMX V2.0 October 1, 2014 by Roberto Zicari · Published October 1, 2014 · Last modified February 12, 2015