Best PostgreSQL Alternatives in 2026 (Free)

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MySQL
Editor curated
Widely used open-source relational database by Oracle.
FreeOpen source Self-hostable Offline
Platforms: Windows · macOS · Linux · Self-hosted · Docker
Why choose MySQL over PostgreSQL
- Covers 1 of 1 PostgreSQL features
Shared features: SQL editor
Match score 61— show how this was calculated
Signal

How ranking works: each alternative gets a transparent match score from community votes, feature overlap, platform compatibility, category relevance, review ratings, data freshness and an editorial score. Sponsored placements never affect this order.

SQLite

Editor curated

Small, fast, self-contained, embedded SQL database engine.

FreeOpen source Offline

Platforms: Windows · macOS · Linux · Android · iOS

Also available on Android, iOS
Covers 1 of 1 PostgreSQL features

Shared features: SQL editor

Match score 57

Signal: Value; Weight
Community votes: 0%; 30%
Feature overlap: 100%; 20%
Platform compatibility: 60%; 10%
Category relevance: 100%; 10%
Review rating: 63%; 15%
Data freshness: 100%; 5%
Editorial score: 70%; 10%

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MongoDB

Editor curated

Document database storing data as flexible JSON-like documents.

Free plan availableServer Side Public License Self-hostable

Platforms: Windows · macOS · Linux · Web · Self-hosted · Docker

Also available on Web

Match score 41

Signal: Value; Weight
Community votes: 0%; 30%
Feature overlap: 0%; 20%
Platform compatibility: 100%; 10%
Category relevance: 100%; 10%
Review rating: 63%; 15%
Data freshness: 100%; 5%
Editorial score: 66%; 10%

Compare Details

MySQL

Why choose MySQL over PostgreSQL

SQLite

Why choose SQLite over PostgreSQL

MongoDB

Why choose MongoDB over PostgreSQL