Basho makes Riak, an open source database.
Basho makes Riak,
an open source database.
A Riak cluster is masterless, automatically redistributes data when you scale, and keeps data available when physical machines fail. It stores data as key/value pairs, has a simple operational model, and comes with an HTTP API and many client libraries.

Riak Enterprise
provides multi-datacenter replication and support.

Riak CS
is simple, available cloud storage software.