Aiven
Free plan ($0): managed PostgreSQL on 1 dedicated VM with 1 CPU, 1 GB RAM and 1 GB storage; free MySQL, Kafka, OpenSearch and Valkey plans too.
Database
What you get
A managed PostgreSQL database with no time limit, plus free plans for MySQL, OpenSearch, Kafka and Valkey.
How to get it
Choose Get building under Free on aiven.io/pricing.
The catch
Only 1 GB of storage and RAM, a single backup, and Aiven may shut down services left unused for a long time.
From the official page · checked Oct 22, 2026