Database NoSQL
BaseX is a native XML database. It features compact storage structures, a very efficient XPath and XQuery implementation and a visual frontend, facilitating visual access to the stored data. BaseX is written in Java and freely available for download. It is developed by the Database and Information Systems Group at the University of Konstanz.
Cassandra uses key-value storage, is a distributed and massively scalable NoSQL DBMS.
Corpus-DB is a textual corpus database for the digital humanities. This project adds public domain texts, enhances their metadata from sources such as Wikipedia, and makes those texts available according to that metadata.
eXist-db is an open source software project for NoSQL databases built on XML technology. It is classified as both a NoSQL document-oriented database system and a native XML database. Unlike most relational database management systems (RDBMS) and NoSQL databases, eXist-db provides XQuery and XSLT as its query and application programming languages.
HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigtable: A Distributed Storage System for Structured Data. Use Apache HBase® when you need random, realtime read/write access to your Big Data.
MongoDB is a distributed database, the horizontal scaling, and geographic distribution are built in and easy to use. MongoDB uses JSON-type documents and is easy to integrate.
Redis is based on key-value storage, it stores all kinds of data, from strings, hashes, lists, etc.
Virtuoso is a database that integrates features of relational databases, RDF triplestores, and full-text search engines. Its capability to manage both SQL and RDF data makes it ideal for applications involving data integration and Semantic Web technologies, facilitating the creation and implementation of knowledge graphs from linked data.
Database SQL
H2 is a Java SQL database with H2GIS a spatial extension.
MariaDB the main characteristics are: increased storage engines, great scalability, security and speed in transactions, extensions and new features related to its application for NoSQL databases.
MySQL is a relational database management system widely used on today's websites.
Oracle the main characteristics are: transaction support, stability, scalability and multi-platform (there is a free version).
PostgreSQL the main characteristics are: multi-version control of concurrences, flexibility in terms of programming languages, multiplatform, it has the pgAdmin tool, https://www.pgadmin.org/, for the administration of the databases, robust, efficient and stable.
PostgREST is a standalone web server that turns your PostgreSQL database directly into a RESTful API.
SQLite the main characteristics are: the size, much smaller than any DBMS, great stability, high portability and performance.
Virtuoso is a database that integrates features of relational databases, RDF triplestores, and full-text search engines. Its capability to manage both SQL and RDF data makes it ideal for applications involving data integration and Semantic Web technologies, facilitating the creation and implementation of knowledge graphs from linked data.