Apache Spark is a fast cluster computing system supporting interactive queries with SQL, machine learning, and graph computation all handled through the Spark API. The Apache Spark Java Library enables developers to quickly write programs in Java that access a unified engine in order to process large amounts of data. Supported by the Apache Software Foundation, the Java library comes well documented.
CityDeals.com, local/national deal and discount finder, enables developers to access its deals database via the CityDeals API. Third party apps can feature daily deals and discounts, or provide a searchable interface of CityDeals.com's entire portfolio of discounts. CityDeals.com partners with retailers and service providers around the globe to provide an expansive offer of discounts applicable on a national scale or at the local level.
TensorFlow, Google's machine learning software library, has reached 1.0 status and now packs support for a wider selection of APIs for ingesting and analyzing Big Data. The tool's pre-1.0 life found it helping researchers, engineers, students, and others in scouring data for patterns and insight.