Advanced open source SQL database
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1082 reviews tracked·19 press mentionsThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Most advanced open-source database
Biggest con
Can be complex to tune for performance
TL;DR - PostgreSQL
- PostgreSQL is an advanced open-source relational database
- It provides extensibility, standards compliance, and enterprise features
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
4.5/5 across review platforms
What is 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 PostgreSQL for capable, reliable storage.
Available on: Web, Windows, macOS, Linux
Pros & Cons
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
Ratings Across the Web
4.5(1,082 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
Advanced SQL databaseJSONB supportFull-text searchExtensions ecosystemReplicationRow-level security
Pricing Plans
Pricing checked Jul 10, 2026
Free
Free
- 100% free and open source
- 35+ years of development
- Enterprise-grade features
- Community maintained
- No licensing costs
Reviews
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4.5/5
Across 1,082 verified user reviews on G2, Capterra
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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