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PostgreSQL vs MariaDB Server: catalog facts
PostgreSQLMariaDB Server
Free

Free and open source under the PostgreSQL Licence, a permissive licence similar to BSD and…

Free

Free and open source under the GPL.

Windows, macOS, Linux, Self-hosted Windows, macOS, Linux, Self-hosted, Command line
  • Over 35 years of development with a strong reputation for reliability and correctness
  • Extensible with custom types, index methods and procedural languages; PostGIS and pgvector are built on that
  • Drop-in replacement for MySQL
  • Default database in most Linux distributions
  • Default configuration is conservative and needs tuning for real workloads
  • Built-in replication and failover require third-party tooling to become a full HA setup
  • A database server only, with no graphical client included
  • Has diverged from MySQL in places, so some newer MySQL features may differ
Downloadable app, Self-hosted Downloadable app, Self-hosted
Open source Open source
License: PostgreSQL License: GPL-2.0-only
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.