Top 8 Java distributed-database Projects

shardingsphere

23 19,425 10.0 Java

Distributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.

Project mention: Managing Data Residency - the demo | dev.to | 2023-05-25

Opposite to what the documentation tells, the full prefix is jdbc:shardingsphere:absolutepath. I've opened a PR to fix the documentation.

Apache ZooKeeper

36 11,925 8.3 Java

Apache ZooKeeper

Project mention: On Implementation of Distributed Protocols | dev.to | 2024-04-05

Apache ZooKeeper — a distributed coordination, synchronization, and configuration service (written in Java);

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Trino

44 9,552 10.0 Java

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

Project mention: Trino: Fast distributed SQL query engine for big data analytics | news.ycombinator.com | 2024-03-19

starrocks

12 7,726 10.0 Java

StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries. InfoWorld’s 2023 BOSSIE Award for best open source software.

Project mention: A MySQL compatible database engine written in pure Go | news.ycombinator.com | 2024-04-09

tidb has been around for a while, it is distributed, written in Go and Rust, and MySQL compatible. https://github.com/pingcap/tidb
Somewhat relatedly, StarRocks is also MySQL compatible, written in Java and C++, but it's tackling OLAP use-cases. https://github.com/StarRocks/starrocks

Crate

6 3,955 9.9 Java

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.

Project mention: FLaNK AI - 01 April 2024 | dev.to | 2024-04-01

scalardb

1 438 9.4 Java

Universal transaction manager
herddb

1 307 7.0 Java

A JVM-embeddable Distributed Database
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Serengeti

1 5 0.0 Java

Serengeti - The Autonomous Distributed Database

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).