This document provides an overview of Hortonworks and its Hortonworks Data Platform (HDP). Hortonworks develops, distributes and supports HDP, which is the only 100% open source Apache Hadoop distribution. Hortonworks focuses on innovation in Apache Hadoop projects, addressing enterprise requirements, enabling ecosystem interoperability, and ensuring no vendor lock-in through its open source approach. The document discusses Hortonworks' contributions to Apache Hadoop and other projects, as well as how HDP can be used for operational data refinery, big data exploration, and application enrichment.