PO

Best PostgreSQL Alternatives in 2026

Based on real usage data from 0 websites analyzed by StackSee

We analyzed real website data to find the most popular alternatives to PostgreSQL. PostgreSQL is postgreSQL, also known as Postgres, is a free and open-source relational database management system emphasizing extensibility and SQL compliance. See which tools teams actually use instead, backed by real-time detection data.

Top Alternatives to PostgreSQL

Technologies in the Databases category that teams use instead of PostgreSQL, ranked by adoption.

1

CL

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

Databases

2

DI

Dimensions AI 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.

Databases

3

FI

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

DatabasesDevelopment

4

LU

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

Databases

5

PE

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

Databases

6

PO

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

Databases

7

QI

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

Databases

8

MA

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

Databases

9

MO

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

Databases

10

MY

MySQL MySQL is an open-source relational database management system.

Databases

11

RE

Redis 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.

Databases

12

SQ

SQLite

Databases

13

SO

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

Databases

14

VI

Virtuoso

Databases