MySQL

Redis is an in-memory data structure project implementing a distributed, in-memory key–value database with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps, streams, and spatial indexes.

MariaDB is an open-source relational database management system compatible with MySQL.

MongoDB is a document-oriented NoSQL database used for high volume data storage.

PostgreSQL, also known as Postgres, is a free and open-source relational database management system emphasizing extensibility and SQL compliance.

Dimensions AI is an advanced research database linking grants, publications, datasets, clinical trials, patents, and policy documents to support efficient translation from idea to impact.

Xano is a no-code backend development platform that allows users to build and manage databases, APIs, and server-side logic without writing code.

PouchDB is an open-source NoSQL database written in JavaScript.

Percona server is an opensource, fully compatible, enhanced drop-in replacement for MySQL, providing superior performance, scalability, and instrumentation.