PostgreSQL
PostgreSQL: A free, extensible relational database for production workloads and technical teams. Ranked #1 of 37 in Relational Databases by our editors (9.4/10); pricing: Free plan; best for open-source production databases.
At a glance
- Editor score9.4 / 10
- PricingFree plan
- Best forOpen-source production databases
- Free planYes
- Paid fromFree
- Deployment modelSelf_hosted
- Facts checked22 Sep 2026
Where it wins
- Advanced indexing, partitioning, replication, and failover
- Supports SQL, JSONB, transactions, and concurrency control
- Free, open source, and available on Linux, macOS, and Windows
Where it doesn't
- Self-hosted deployment requires installation and administration
- No built-in AI features
- Requires technical expertise for advanced configuration and security
Our verdict on PostgreSQL
PostgreSQL is an open-source object-relational database system for developers, data engineers, and organizations that need SQL-based relational storage with extensibility. It handles structured data alongside JSON and JSONB, and supports transactions, multiversion concurrency control, authentication, access control, and custom data types or functions. PostgreSQL is available for Linux, macOS, and Windows, and its project dates to 1986. It is a strong fit for teams that want control over deployment and a broad relational feature set without licensing fees.
Its technical depth is the main reason to choose it. PostgreSQL supports B-tree, GiST, SP-GiST, GIN, BRIN, and other indexes, along with table partitioning and asynchronous, synchronous, and logical replication. High-availability configurations can use hot standby and failover, while point-in-time recovery and continuous WAL archiving support recovery planning. Row- and column-level security add control for sensitive data, and extensions allow teams to adapt the database with additional functions and data types.
The trade-off is its self-hosted model. PostgreSQL can be installed from packages, installers, or source code, but the deployment model places configuration, maintenance, replication design, security setup, and recovery planning with the organization operating it. That makes it a strong choice for experienced technical teams that need production database control, cross-platform support, and a mature open-source foundation. Teams looking for a vendor-hosted database, built-in AI features, or a simpler managed experience should consider a different product category.
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PostgreSQL pricing
PostgreSQL fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment model | Self_hosted |
| Managed service | No |
| High availability | Yes |
| Read replicas | Yes |
| Backup retention | Not verified |
| JSON data support | Yes |
| Maximum connections | Not verified |
| Deployment | Self-hosted |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | postgresql.org |
| Facts checked | 22 Sep 2026 |
Alternatives to PostgreSQL
- MySQLA versatile open-source SQL database with replication, JSON, connectors, and failover.9.3
- Oracle DatabaseA mature enterprise database with unusually broad data-model and availability capabilities.9.2
- Microsoft SQL ServerA broad Microsoft database platform for enterprise and hybrid deployments.9.1
See all PostgreSQL alternatives →
PostgreSQL vs the competition
- PostgreSQL vs MySQL
- PostgreSQL vs Oracle Database
- PostgreSQL vs Microsoft SQL Server
- PostgreSQL vs Amazon Aurora
- PostgreSQL vs Azure SQL Database
- PostgreSQL vs Google Cloud SQL
Compare PostgreSQL with any tool side by side →
Also Ranked In
PostgreSQL is ranked in 4 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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