16 Open Source Big Data Databases

The databases and data warehouses you’ll find on these pages are the true workhorses of the Big Data world. They hold and help manage the vast reservoirs of structured and unstructured data that make it possible to mine for insight with Big Data. Businesses rely heavily on these open source solutions, from tools like Cassandra (originally developed by Facebook) to the well regarded MongoDB, which was designed to support the biggest of big data loads.