Developer Tools
PostgreSQL
Advanced open source DB.
What it is
PostgreSQL is the world's most advanced open-source relational database. Renowned for its reliability, feature robustness, and performance, it has become the standard choice for professional developers. Unlike many other SQL databases, Postgres handles complex data types, provides advanced indexing, and supports high-concurrency environments with ease. Its extensibility is its superpower; you can add features like geographic data support (PostGIS) or vector storage (pgvector) to make it suit any modern application needs.
Key features
Full ACID Compliance
Ensures that your database transactions are processed reliably and safely.
JSONB Support
Store and query unstructured data with high performance alongside your SQL tables.
PostGIS
The world's best extension for handling geographic and spatial data.
Full-Text Search
Built-in advanced search capabilities that rival dedicated search engines.
Strengths and trade-offs
What works well
- Rock-Solid Reliability: Known for data integrity and full ACID compliance.
- Extensible Architecture: Add new data types and functions via a massive plugin ecosystem.
- JSONB Support: Combines the power of relational data with NoSQL-like flexibility.
- Open Source: Free to use forever with no licensing fees for any scale.
Where it falls short
- Learning Curve: Mastering performance tuning and advanced features takes time.
- Operational Overhead: Managing it yourself requires significant DBA knowledge.
- Memory Usage: Each connection consumes a dedicated process, requiring careful pool management.
Who it is for
Backend Developers, Data Engineers, and System Architects.
Pick it or skip it
Pick PostgreSQL if
- Any project that needs a database with no licence fee — the PostgreSQL License grants use "without fee"
- Commercial products: the licence permits use, copy, modify and distribute for any purpose without a written agreement
- Teams that want long-term certainty; the project states there are no plans to change the licence
Skip it if
- You want a vendor with a support contract included — support is bought separately from third parties
- You need managed backups and failover out of the box; those come from hosted providers, not the project
- You are comparing total cost: the software is free, the operations are not
Our verdict
The most professional, reliable, and powerful database choice for any serious software project.
Closest alternatives we track
Same category, ordered by verified starting price.
Frequently asked questions
- How much does PostgreSQL cost?
- PostgreSQL is free to use. We verified this against the vendor's own page; see "What we checked" below for the date.
- Does PostgreSQL have a free plan?
- Yes. PostgreSQL is free to use at its base level.
- Who is PostgreSQL best for?
- Backend Developers, Data Engineers, and System Architects.
- What are the closest alternatives to PostgreSQL?
- In the same category we track DataStax, Elastic and MongoDB. Each has its own review page with verified pricing, and the comparison links above show them side by side.
- What are the main drawbacks of PostgreSQL?
- The trade-offs we noted: Learning Curve: Mastering performance tuning and advanced features takes time.; Operational Overhead: Managing it yourself requires significant DBA knowledge.; Memory Usage: Each connection consumes a dedicated process, requiring careful pool management..
- When should you not use PostgreSQL?
- Skip PostgreSQL if: You want a vendor with a support contract included — support is bought separately from third parties; You need managed backups and failover out of the box; those come from hosted providers, not the project; You are comparing total cost: the software is free, the operations are not.
What we checked
- Public APIOffers a documented API you can build against.Yes
- Mobile appHas a native app for iOS or Android, not just a mobile website.No
- Open source / self-hostableSource is open and the tool can be run on your own infrastructure.Yes
- SSO (SAML)Supports SAML single sign-on on at least one plan.No
“Not checked” means exactly that — we have not verified it, and we do not guess.
Evidence and freshness
Status: Source listed, figures not recordedReviewed: 2026-09-09
- PostgreSQL — Licence ↗
Checked 2026-09-09 · Supports: Released under the PostgreSQL License, a liberal Open Source licence similar to BSD or MIT, "Permission to use, copy, modify, and distribute this software and its documentation for any purpose, without fee, and without a written agreement is hereby granted", Free for commercial use; no fee or restriction stated in the licence, The PostgreSQL Global Development Group states there are no plans to change the licence
Limit: Vendor pricing page was reviewed by an editor on this date; this record is not a ToolCompare benchmark. Prices and limits change.
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