Apache Mahout - Distributed Linear Algebra
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KNIME - KNIME, the open platform for your data.
Qlik - Qlik offers an Active Intelligence platform, delivering end-to-end, real-time data integration and analytics cloud solutions to close the gaps between data, insights, and action.
WEKA - WEKA is a set of powerful data mining tools that run on Java.
Domo - Domo: business intelligence, data visualization, dashboards and reporting all together. Simplify your big data and improve your business with Domo's agile and mobile-ready platform.