"a rich SQL-like querying language (embedded DSL) inspired by Apache Hive and Scala Query" [...] "essentially a thin layer on top of Cascading"

"a distributed scientific package on Hadoop for massive matrix and graph data"

"a simple cluster computing framework built on top of Nexus"

"a Python module that allows you to easily write and run Hadoop streaming programs"

Beat to the punch!

"a collection of libraries which make writing Hadoop Streaming tasks easy". Coda understands my needs.

Intends to make Hadoop easier. "Cascading uses a "pipe and filters" model for defining data processes. It efficiently supports splits, joins, grouping, and sorting. These are the only processing concepts the developer needs to "think" in."

James Hamilton's notes from the Hadoop Summit, 2008.

"a new query language being developed for JSON data"