matrixorigin/matrixone

The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.

Apache Doris is a real-time analytics and hybrid search database for AI agents.

AliSQL is a MySQL branch originated from Alibaba Group. Fetch document from Release Notes at bottom.

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

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.

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

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