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PostgreSQL

postgresql.orgfreeReviewed 11 Sept 2026
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PostgreSQL is a mature open-source relational database known for reliability, extensibility, and SQL standards compliance. It supports JSON, full-text search, and rich indexing, and runs everywhere from laptops to cloud-hosted databases.

Key features

  • ACID transactions
  • JSON support
  • Full-text search
  • Extensions
  • Open source
open-source database sql