Cloudera is a software company that provides enterprise-level data management and analytics solutions based on Apache Hadoop, Apache Spark, and other open source technologies. Their software offerings include Cloudera Enterprise, Cloudera DataFlow, and Cloudera Data Science Workbench.
Virtuoso is an enterprise-grade triplestore that provides advanced data management and integration capabilities, enabling efficient storage, retrieval, and querying of large-scale RDF data. It offers a suite of data access and connectivity protocols, including ODBC, JDBC, Web Services, REST, and SPARQL, to ensure broad interoperability with a wide range of client applications and systems.