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Top 16 Java Cassandra Projects
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Apache Cassandra
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
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java-specialagent
Automatic instrumentation for 3rd-party libraries in Java applications with OpenTracing.
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cassandra-jdbc-wrapper
A JDBC wrapper of Java Driver for Apache Cassandra®, which offers a simple JDBC compliant API to work with CQL3.
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spring-petclinic-reactive
Reactive version of Spring PetClinic sample application based on Spring Webflux and Cassandra
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kafka-streams-cassandra-state-store
'Drop-in' Kafka Streams State Store implementation that persists data to Apache Cassandra / ScyllaDB
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dropwizard-cassandra
A convenience library for Apache Cassandra integration in a Dropwizard service. (by dropwizard)
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).
Java Cassandra discussion
Java Cassandra related posts
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More databases should be single-threaded
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Exploring the Journey of Apache Cassandra: Innovation, Funding, and Community Impact
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Concurrency bugs in Lucene: How to fix optimistic concurrency failures
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Visualizing the Apache Cassandra Token Ring with Plotly
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JanusGraph: Distributed, open source scalable graph database
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DbVisualizer 24.2: A Complete Review
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Show HN: 10 Years to Build a Free SQL Editor
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A note from our sponsor - SaaSHub
www.saashub.com | 12 Jun 2026
Index
What are some of the best open-source Cassandra projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Apache Cassandra | 9,752 |
| 2 | janusgraph | 5,800 |
| 3 | elassandra | 1,714 |
| 4 | stargate | 851 |
| 5 | scalardb | 640 |
| 6 | my-moments | 545 |
| 7 | cassandra-reaper | 516 |
| 8 | java-specialagent | 190 |
| 9 | cassandra-jdbc-wrapper | 108 |
| 10 | spring-petclinic-reactive | 88 |
| 11 | labs | 86 |
| 12 | management-api-for-apache-cassandra | 80 |
| 13 | cassandra-sidecar | 60 |
| 14 | kafka-streams-cassandra-state-store | 25 |
| 15 | Bucket | 4 |
| 16 | dropwizard-cassandra | 4 |
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