Databases

MySQL

2.9M sites

MySQL is an open-source relational database management system.

Used byAirbnb,Basecamp (37signals),Ghost,Hotmart+2

Firebase

92.9K sitesFreemium · Pay as you go

Guide

Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.

Redis

62.9K sites

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.

Used byCal.com,GitLab,Linear,Olist+3

MariaDB

24.4K sites

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

PostgreSQL

10.6K sitesOpen source

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

Used byCal.com,Creditas,Documenso,Figma+10

MongoDB

4.7K sites

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

Used byRD Station

Lucene

341 sitesOpen source

Lucene is a free and open-source search engine software library.

Solr

341 sitesOpen source

Solr is an open-source search platform built on Apache Lucene, used for indexing and searching large-scale datasets.

SQLite

22 sites

Used byBasecamp (37signals),Notion

Claris FileMaker

14 sitesPay as you go · Subscription

Claris FileMaker is a cross-platform relational database application from Claris International.

Amazon Aurora

Amazon Aurora is a relational database service developed and offered by Amazon Web Services.

Used byDuolingo

Cloudera

Cloudera is a software platform for data engineering, data warehousing, machine learning and analytics that runs in the cloud or on-premises.

Dimensions AI

SaaS$ · Subscription

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.

MongoDB Atlas

SaaS

Guide

MongoDB Atlas is MongoDB's managed multi-cloud database service.

Percona

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

PouchDB

SaaS

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

Qiyeku

SaaS

Qiyeku is a Chinese enterprise database that provides business information, company listings, and industry resources for market research and trade connections.