Aerospike Database is a flash memory and in-memory open source distributed key value NoSQL database management system.

Airbyte is an open-source data integration engine that helps you consolidate your data in your data warehouses, lakes and databases.

The Apache Airflow scheduler executes your tasks on an array of workers while following the specified dependencies.

Apache Cassandra is an open source NoSQL distributed database.

Apache Druid is a fast, scalable analytics database for real-time data and interactive queries, with strong fault tolerance and high availability.

Apache Flink is a stream processing framework for scalable, real-time data processing.

Apache Hadoop is an open-source distributed processing framework that is used to process and analyze large datasets. It is based on the MapReduce programming model and can be deployed on clusters of commodity hardware.

Apache HBase is an open-source NoSQL database that is built on top of Hadoop. It is a distributed, scalable, and fault-tolerant database that is well-suited for storing large amounts of unstructured data.

Apache Hive is an open-source data warehouse software project built on top of Apache Hadoop. It provides a SQL-like interface for querying data stored in HDFS.

Apache Ignite is an open-source in-memory data grid that can store and process data in memory for high performance and scalability.

Apache Kafka is a distributed event store and stream-processing platform.. The project aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds.

Apache Kylin is primarily needed for organizations that require real-time analytics and business intelligence (BI) on large-scale datasets.

Apache Solr is an open-source enterprise search platform that provides a powerful and scalable way to search for information.

CKAN is an open-source DMS (data management system) for powering data hubs and data portals. CKAN makes it easy to publish, share and use data. It powers hundreds of data portals worldwide.

Couchbase is an open-source NoSQL database that combines document-oriented, key-value, and SQL-like querying capabilities.