Most agent-friendly distributed database repos

A scalable, distributed, collaborative, document-graph database, for the realtime web

The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

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.

YugabyteDB - the cloud native distributed SQL database for mission-critical applications.

Distributed reliable key-value store for the most critical data of a distributed system

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)