Top 5 Java RDBMS Projects

shardingsphere

1 19,406 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.
helicalinsight

0 282 0.0 Java

Helical Insight software is world’s first Open Source Business Intelligence framework which helps you to make sense out of your data and make well informed decisions.
WorkOS

workos.com
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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.
riot

0 221 9.1 Java

🧨 Get data in & out of Redis with RIOT (by redis-developer)
amforeas

1 44 10.0 Java

A RESTful Interface to your database

Project mention: becauseBackendIsJustASocialConstructRight | /r/ProgrammerHumor | 2023-06-27

I feel triggered https://github.com/Eldelshell/amforeas
HoloDB

0 4 7.0 Java

HoloDB is an RDBMS seemingly filled with random data. This data does not actually take up any space in memory or on a volume (to use an analogy, it is as if the data set is projected as a hologram from a simple configuration). The base layer is an arbitrarily large, read-only data set that is readable and searchable, and yet fully consistent. Any pieces of data and index lookups are calculated on-the-fly. An optional second layer is built on top of this, allowing read-write access (stores diffe (by miniconnect)
InfluxDB

www.influxdata.com
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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.

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). The latest post mention was on 2023-06-27.