XGBoost  is an open-source software library that provides the gradient boosting framework for C ++ , Java , Python ,  R ,  and Julia .  It works on Linux , Windows ,  and macOS .  From the project description, it aims to provide a “Scalable, Portable and Distributed Gradient Boosting (GBM, GBRT, GBDT) Library”. Other than running on a single machine, it also supports the distributed processing frameworksApache Hadoop , Spark Apache , and Apache Flink . It has gained much popularity and attention recently as it was the algorithm of choice for… More →
Virtuoso Universal Server is a middleware and database engine that combines the functionality of a traditional Relational Database Management System (RDBMS), object-relational database (ORDBMS), virtual database , RDF , XML , free-text , web application server and file server functionality in a single system. Virtuoso is a “universal server”; it allows a single multithreaded server processthat implements multiple protocols. The open source edition of Virtuoso Universal Server is also known as OpenLink Virtuoso . The software has-been developed by OpenLink Software with Kingsley Uyi Idehen and Orri Erling as the chief software architects .
SQream DB is a relational database management system (RDBMS) that uses graphics processing units (GPUs) from Nvidia . SQream DB is designed for big data analytics using the Structured Query Language (SQL). 
Apache Spark is an open-source cluster-computing framework . Originally Developed at the University of California, Berkeley ‘s AMPLab , the Spark codebase Was later Donated to the Apache Software Foundation , qui HAS maintained it since. Spark provides an interface for full programming with implicit data parallelism and fault tolerance .
SAP HANA is an in-memory , column-oriented , relational database management system developed and marketed by SAP SE .   Its primary function is a database server and is retrieved as requested by the applications. In addition, it Performs advanced analytics ( predictive analytics , spatial data processing , text analytics, text search, streaming analytics , graph data processing ) and includes ETL capabilities as well as an Application Server .
Qizx is a proprietary XML database that provides native storage for XML data. Qizx was first developed by Xavier Franc of Axyana  and was purchased by Qualcomm in 2013.  Qizx was re-released by Qualcomm in late 2014 on Amazon Web Services . 
Oracle NoSQL Database is a NoSQL -type distributed key-value database from Oracle Corporation .     It provides transactional semantics for data manipulation, horizontal scalability, and simple administration and monitoring.
The Oracle Big Data Appliance consists of hardware and software from Oracle Corporation sold as a computer appliance . It was announced in 2011, promoted for consolidation and loading unstructured data into Oracle Database software.
NoSQLz is a consistent key-value for the large data store ( NoSQL database) for z / OS IBM systems.  It was developed by Thierry Falissard in 2013. The purpose is to provide a low-cost alternative to all proprietary mainframe DBMS (version 1 is free software ).
MonetDB is an open source column-oriented database management system developed at the Wiskunde Centrum & Informatica (CWI) in the Netherlands . It was designed to provide high performance on complex queries against large databases, such as combining tables with millions of rows and millions of rows. MonetDB has been applied in high-performance applications for online analytical processing , data mining , geographic information system (GIS),  Resource Description Framework (RDF),  text retrieval and sequence alignmentprocessing.