Distributed Database GitHub Repositories (2026) · Open Source Tools

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

Apache ZooKeeper

FoundationDB - the open source, distributed, transactional key-value store

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

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

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

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.

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

Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences

The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.

Apache Pinot: a real-time analytics database for low-latency SQL and vector search, serving user-facing and agent-facing applications

YTsaurus is a scalable and fault-tolerant open-source big data platform.

Distributed, transactional document database backed by FoundationDB.

C#/.NET Binding for FoundationDB Client API

Distributed, PostgreSQL-compatible database with plugins in Rust.

Time-series database and pub/sub messaging server for IoT and real-time devices, in Go: an embeddable storage engine with TTLs, wildcard topics and encryption, and a clustered server over gRPC, TCP and WebSocket with replication and rolling upgrades.

Universal HTAP Engine

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.

YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions