TDengine

ClickHouse is a real-time analytics database management system

A time-series database for high-performance real-time analytics packaged as a Postgres extension

A distributed, fast open-source graph database featuring horizontal scalability and high availability

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries.

Automated database platform for PostgreSQL - Your own DBaaS.