PostgreSQL
The world’s most advanced open source relational database.

PostgreSQL is a powerful, open source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
Advantages
Performance
Handles enterprise workloads with 50% performance improvement in the last 4 years.

Extensibility
Supported by a wide array of extensions plus multiple SQL and NoSQL data models.
Scalability
Multiple technical options for operating PostgreSQL at scale.
Community-driven
Multiple companies and individuals contribute to the project and drive innovation.
Built for speed
Permissive license and broadly availability make it straightforward to install and test.

Reduce costs
As a true open source product, PostgreSQL does not cost anything – no licence fees! It’s totally free to use! You no longer have to worry about licensing costs, contract issues and dealing with a high-budget product. It’s available to you when you want it and the way you want.