Google added AppEngine-MapReduce to support running Hadoop 0.20 programs on Google App Engine.
Cloudera offers CDH (Cloudera’s Distribution including Apache Hadoop) and Cloudera
In May 2011, MapR Technologies, Inc. announced the availability of their distributed filesystem and MapReduce engine, the MapR Distribution for Apache Ha
EMC released EMC Greenplum Community Edition and EMC Greenplum HD Enterprise Edition in May 2011. The community edition, with optional for-fee technical support, consists of Hadoop, HDFS, HBase, Hive, and the ZooKeeper configuration service.
In June 2011, Yahoo! and Benchmark Capital formed Hortonworks Inc., whose focus is on making Hadoop more robust and easier to install, manage and use for enterprise users.
In Oct 2011, Oracle announced the Big Data Appliance, which integrates Hadoop, Oracle
Enterprise Linux, the R programming language, and a NoSQL database with the Exadata hardware