PostgreSQL

PostgreSQL

UnclaimedDatabases

The world's most advanced open source relational database.

CATEGORYDatabasesTools
FOUNDERUnclaimedBuilder
LANGUAGEEN

35+ years of active development, battle-tested at massive scale — the gold standard of open-source relational databases trusted by every major tech company.

Value Proposition

The most feature-complete, standards-compliant open-source relational database — free, portable, and capable of powering workloads from small apps to global enterprises.

Problem Solved

Provides a rock-solid, extensible relational foundation without licensing costs, avoiding proprietary vendor lock-in.

Target Audience

Developers, DBAs, enterprises, and data engineers who need a reliable, feature-rich, standards-compliant relational database for any scale of workload.

Business Details

Managed by the PostgreSQL Global Development Groupa non-profit community. Completely free and open-source under the PostgreSQL License. Latest version: 18.3 (February 2026).

Pricing

Open Source

Free

Completely free to download, use, and self-host with no licensing fees.

Full feature set
No usage limits
Self-managed
Community support via mailing lists and forums

Life Without vs. With PostgreSQL

Without

×No licensing fees — completely free to use at any scale
×No vendor lock-in — runs on any cloud or on-premises
×No proprietary query language — standard SQL
×No artificial usage or connection limits imposed by the database itself

With PostgreSQL

Full ACID compliance and MVCC for data integrity
Advanced SQL with CTEs, window functions, and lateral joins
JSON and JSONB support for semi-structured data
Powerful extension ecosystem — pgvector, PostGIS, TimescaleDB and more
Full-text search built in
Row-level security for fine-grained access control
Logical replication and streaming replication
Active 35+ year community with regular major releases

Questions & Answers

Absolutely. PostgreSQL powers production databases at companies like Apple, Instagram, Spotify, Reddit, and Twitch, handling billions of rows and thousands of concurrent connections. With proper tuning, connection pooling (e.g. PgBouncer), and replication, it scales to very large workloads.

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