In data science, a variety of tools are used for data retrieval, processing, and visualization.
Data Visualization Tools
Tableau, Looker, D3.js, three.js, Highcharts, OpenGraphiti, ggplot2, Gephi
Parallel and Distributed Computing
Apache Hadoop, MapReduce, Apache Spark, Amazon EC2, Microsoft Azure
Querying
SPARQRL, SQL, Apache Pig, Apache Hive QL