Lots of interesting updates today.
But would like to first mention the fantastic work Cloud computing group at UCSB are doing to make appengine framework more open. They have done significant work at making appscale “work” with different kinds of data sources including HBase, Cassandra, Voldemort, MongoDB, Hypertable and Mysql and MemcacheDB. Appscale is actively [...]

 
Products/Ideas

redis – http://code.google.com/p/redis/ : Redis is a key-value database. It is similar to memcached but the dataset is not volatile, and values can be strings, exactly like in memcached, but also lists and sets with atomic operations to push/pop elements.
HBase – http://hadoop.apache.org/hbase/ : HBase is the Hadoop database. Its an open-source, distributed, column-oriented store modeled [...]