The Couchbase, Inc. company logo.  Plan is to use this in an update to the <a href="https://en.wikipedia.org/wiki/Couchbase" class="extiw" title="en:Couchbase">Couchbase</a> page.
Couchbase
<a rel="nofollow" class="external free" href="http://www.couchbase.com">http://www.couchbase.com</a>