serenedb/serenedb

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

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

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

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

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.

A @ClickHouse fork that supports high-performance vector search and full-text search.

Free and Open Source, Distributed, RESTful Search Engine

ClickHouse® is a real-time analytics database management system

Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.