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PostgreSQL

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Advanced open source SQL database

Free, no paid tier
Free Data & Databases
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Reviews on G2 Capterra
1,094 reviews tracked 28 press mentions

The Bottom Line

Price
Free, no paid tier. Compare plans

Key facts

  • PostgreSQL is an advanced open-source relational database
  • It provides extensibility, standards compliance, and enterprise features
  • Completely free and open-source

Pros

  • Most advanced open-source database
  • Excellent for complex queries and JSON
  • Strong data integrity and ACID compliance
  • Highly extensible with extensions
  • Large community and ecosystem

Cons

  • Can be complex to tune for performance
  • Vertical scaling more limited than NoSQL
  • Replication setup requires expertise
  • Memory-intensive for large datasets
  • Less suitable for simple key-value use cases

What is PostgreSQL?

Editorial review
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 PostgreSQL for capable, reliable storage.

Available on: Web, Windows, macOS, Linux

how we evaluate Source postgresql.org ↗

Ratings Across the Web

4.5 (1,094 reviews)

PostgreSQL holds an aggregate rating of 4.5 out of 5 from 1,094 reviews across G2 and Capterra, last checked September 17, 2026.

G2 682 reviews
4.4/5
Capterra 412 reviews
4.6/5

Ratings aggregated from independent review platforms. Learn more

Key Features

  • Advanced SQL database
  • JSONB support
  • Full-text search
  • Extensions ecosystem
  • Replication
  • Row-level security

Pricing Plans

Pricing checked Sep 30, 2026

PostgreSQL plans and prices, checked September 2026
PlanPriceDetails
Free

$0

  • 100% free and open source
  • 35+ years of development
  • Enterprise-grade features
+2 more
  • Community maintained
  • No licensing costs
View full pricing

Is PostgreSQL worth the price?

Great value

PostgreSQL's pricing, being entirely free and open source, is exceptionally generous and fair compared to any commercial database solution.

With a $0 price tag for enterprise-grade features, it offers unparalleled value. This is best for any organization, from startups to large enterprises, looking for a robust and cost-effective database solution.

Full PostgreSQL pricing: every plan, hidden costs and alternatives

Reviews

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4.5/5

Across 1,094 verified user reviews on G2, Capterra

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Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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PostgreSQL FAQ

How does PostgreSQL support applications requiring relational data?

PostgreSQL is often chosen by applications needing relational data due to its capable and reliable storage. It provides comprehensive features and proven reliability for managing structured information.

Which teams benefit most from using PostgreSQL?

Teams building serious applications that require an advanced open-source database with strong data integrity and ACID compliance will find PostgreSQL highly beneficial. Its extensibility and support for complex queries make it suitable for diverse development needs.

How does PostgreSQL compare to MySQL for complex queries?

PostgreSQL is excellent for complex queries and JSON, offering advanced features that support intricate data manipulations. While MySQL is also a relational database, PostgreSQL is often highlighted for its more advanced capabilities in handling complex query structures.

What are the main trade-offs when choosing PostgreSQL?

PostgreSQL can be complex to tune for optimal performance, and its vertical scaling is more limited compared to NoSQL databases. Setting up replication also requires specific expertise, and it can be memory-intensive for very large datasets.

Does PostgreSQL include a free tier?

PostgreSQL is free to use, as it is an open-source database. There are no paid plans required to utilize its full range of features and capabilities.

Can PostgreSQL be extended with additional functionalities?

Yes, PostgreSQL is highly extensible with extensions, allowing users to add new data types, functions, operators, and more. This extensibility contributes to its versatility and adaptability for various application requirements.

Why is PostgreSQL considered an advanced open-source database?

PostgreSQL is considered an advanced open-source database due to its comprehensive features, proven reliability, and strong data integrity with ACID compliance. It also boasts a large community and ecosystem that contribute to its continuous development and support.

Source: postgresql.org

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