
Best PostgreSQL alternatives in 2026
8 direct alternatives to PostgreSQL, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Why people leave PostgreSQL
PostgreSQL is the advanced open-source database. Relational database with remarkable features—the database serious applications choose. The features are comprehensive. The reliability is proven. The community is strong. Applications needing relational data often choose PostgreS…
Common reasons teams switch: pricing as you scale, missing integrations, performance, or a feature gap your team has hit. The alternatives below cover the same core job (database builders) with different trade-offs.
8 alternatives to PostgreSQL
Ranked by editorial score and direct relevance to PostgreSQL.
- 1

MongoDB
FreemiumDocument database that made NoSQL mainstream
Direct alternativeCompare PostgreSQL vs MongoDB → - 2

MySQL
FreePopular open-source relational database
Direct alternativeCompare PostgreSQL vs MySQL → - 3

MariaDB
FreeOpen-source relational database from MySQL creators
Direct alternativeCompare PostgreSQL vs MariaDB → - 4
TimescaleDB
FreemiumTime series database on PostgreSQL
Direct alternativeCompare PostgreSQL vs TimescaleDB → - 5

Couchbase
PaidDistributed NoSQL cloud database
Direct alternativeCompare PostgreSQL vs Couchbase → - 6

MySQL MCP Server
FreeMySQL MCP Server
Direct alternativeCompare PostgreSQL vs MySQL MCP Server → - 7

SpiceDB
FreemiumStop building authorization, start building value with battle-tested permissions infrastructure.
Direct alternativeCompare PostgreSQL vs SpiceDB → - 8

Cumulocity IoT
PaidA high-performance database system for large-scale transaction processing across various platforms.
Direct alternativeCompare PostgreSQL vs Cumulocity IoT →
Side-by-side comparisons
In-depth comparison pages for PostgreSQL versus each alternative.
Still considering PostgreSQL?
See the full review, pricing breakdown, and community feedback before you decide.