This is particularly great for recommending new software for rich ecosystems like Hadoop. This highlighted the usual suspects: Hive, Pig, & Cassandra, but it also found a few Apache Incubation projects automagically:
Check out my Ansible Playbook that installs a Hadoop cluster (running on Java 7), with Ganglia, Fluentd, ElasticSearch and Kibana 3 for monitoring and centralized log indexing.
https://github.com/analytically/hadoop-ansible
http://inspectorgit.com/apache+hadoop-common
Found: Oozie, a 'worfklow' engine for Hadoop (https://github.com/yahoo/oozie) Netty, high-performance networking on top of Hadoop (https://github.com/netty/netty)