Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.

Amundsen is a metadata driven application for improving the productivity of data analysts, data scientists and engineers when interacting with data.

Apache Spark - A unified analytics engine for large-scale data processing

Source code accompanying O'Reilly book: Machine Learning Design Patterns

A Java library that provides the tools you need to authenticate with, and use the Qubole Data Service API.

Java Solutions to problems on LintCode/LeetCode