Splout is free software that provides a SQL view over your Big Data with sub-second latencies and high throughput. Splout is to Hadoop + SQL what Voldemort or Elephant DB are to Hadoop + Key/Value. Splout provides “Big Data Serving”, full SQL, web latencies, integration with Hadoop, scalability, flexibility and a REST interface.
Pangool is an improved low-level Java API for Hadoop based on the Tuple MapReduce paradigm. Pangool is free software that makes the development of highly efficient Big Data applications fast and simple, thanks to its native support of the most common development patterns: joins, secondary sorting and compound registers.