PostgreSQL is an open-source Relational Databases solution from PostgreSQL. Compare it against 6 other Relational Databases tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.
What is PostgreSQL?
PostgreSQL is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Relational Databases and published by PostgreSQL. Buyers typically evaluate PostgreSQL when they need a dependable Relational Databases option and want to weigh the trade-offs between free, open-source and paid tools before committing.
Yes. PostgreSQL is open source and free to use, with no purchase cost for the core product.
What are the best PostgreSQL alternatives?
Popular Relational Databases alternatives to PostgreSQL include IBM Db2, MariaDB, Microsoft SQL Server, MySQL. See the full list of Relational Databases on FreeSoftwareX.
