Oracle Database is a relational database management system developed by Oracle. Oracle Database is one of the most trusted and widely-used relational database engines by large corporations.
MariaDB is one of the most popular database servers in the world. It’s was created by the original developers of MySQL and guaranteed to stay open source. Notable users include Wikipedia, WordPress.com and Google.
MySQL is the world's most popular open source relational database. With its proven performance, reliability and ease-of-use, MySQL has become the leading database choice for web-based applications.
PostgreSQL is a powerful, open source object-relational database system that uses and extends the SQL language combined with many features that safely store and scale the most complicated data workloads.
Redis is a blazing fast in-memory data store that provides sub-millisecond latency to power internet-scale real-time applications. Redis has different levels of on-disk persistence, and provides high availability.
MongoDB is a document database that stores data in flexible, JSON-like documents, meaning fields can vary from document to document and data structure can be changed over time.
Mnesia is a distributed database management system written in the Erlang programming language. Mnesia was developed by Ericsson for soft real-time distributed and high-availability computing work related to telecoms.
Elasticsearch is an open-source, RESTful, distributed search and analytics engine. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents.