htap

paradedb

+25

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

pingcap/tidb

+20

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

oceanbase

+9

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

matrixone

+5

AI-native HTAP database with Git-for-Data and built-in vector search, serving as the data and memory backbone for intelligent agents and applications.

ossinsight

+3

Analysis, Comparison, Trends, Rankings of Open Source Software, you can also get insight from more than 10 billion with natural language (powered by LLM). Follow us on Twitter: https://twitter.com/ossinsight

polardbx-sql

+1

PolarDB-X is a cloud native distributed SQL Database designed for high concurrency, massive storage, complex querying scenarios.