Top 23 Java Kafka Projects

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1. Apache Kafka

   1 47 32,807 9.9 Java

   Apache Kafka - A distributed event streaming platform

   

   Project mention: Building Kafka Producer-Consumer Using Go and Docker | dev.to | 2026-06-08

   Kafka is a distributed streaming platform used to build real-time data pipelines and streaming applications. It allows producers to send messages to topics, which are then consumed by various consumers, making it ideal for event-driven architectures.

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. SpringBoot-Labs

   2 1 20,089 0.0 Java

   一个涵盖六个专栏：Spring Boot 2.X、Spring Cloud、Spring Cloud Alibaba、Dubbo、分布式消息队列、分布式事务的仓库。希望胖友小手一抖，右上角来个 Star，感恩 1024

   

4. debezium

   3 97 12,813 9.9 Java

   Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

   

   Project mention: 7 Free Tools for Data Pipeline Reconciliation and Cross-Source Validation | dev.to | 2026-05-13

   Debezium is an open-source CDC (change data capture) platform that streams database changes - inserts, updates, deletes - from supported databases (PostgreSQL, MySQL, MongoDB, SQL Server) to downstream consumers via Apache Kafka.

5. kafka-ui

   4 50 12,055 5.8 Java

   Open-Source Web UI for Apache Kafka Management

   

   Project mention: Kafka UI in Action: Monitoring and Managing Kafka Like a Pro | dev.to | 2025-06-29

   GitHub: https://github.com/provectus/kafka-ui

6. automq

   5 28 10,005 9.4 Java

   Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

   

   Project mention: Top 10 noteworthy Java errors in 2025 | dev.to | 2025-12-24

   Let's move on to the error from AutoMQ:

7. graylog

   6 48 8,061 10.0 Java

   Free and open log management

   

8. flink-cdc

   7 6 6,432 9.4 Java

   Flink CDC is a streaming data integration tool

   

   Project mention: Flink CDC from the Trenches: Handling JSON in Pipelines with UDFs | dev.to | 2025-12-16

   A critically important class that Flink CDC ships to perform type conversions internally is the DataTypeConverter, which you can find the source code for right here.

9. kafdrop

   8 16 6,138 8.1 Java

   Kafka Web UI

   

10. strimzi-kafka-operator

    9 7 5,837 9.8 Java

    Apache Kafka® running on Kubernetes

    

11. akhq

    10 17 3,820 9.1 Java

    Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

    

12. cruise-control

    11 2 3,030 6.6 Java

    Cruise-control is the first of its kind to fully automate the dynamic workload rebalance and self-healing of a Kafka cluster. It provides great value to Kafka users by simplifying the operation of Kafka clusters.

    

13. schema-registry

    12 7 2,442 10.0 Java

    Confluent Schema Registry for Kafka

    

14. examples

    13 6 2,051 9.9 Java

    Apache Kafka, Apache Flink and Confluent Platform examples and demos (by confluentinc)

    

15. secor

    14 3 1,858 0.0 Java

    Secor is a service implementing Kafka log persistence

    

16. PretendYoureXyzzy

    15 8 1,278 0.0 Java

    A web clone of the card game Cards Against Humanity.

    

17. zerocode

    16 3 1,008 7.5 Java

    zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing for microservices APIs, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML — with zero coding.

    

18. testcontainers-spring-boot

    17 2 876 9.7 Java

    Container auto-configurations for Spring Boot based integration tests

    

19. Hermes

    18 2 860 8.2 Java

    Fast and reliable message broker built on top of Kafka. (by allegro)

    

20. kafka-streams-course

    19 1 780 0.0 Java

    Learn Kafka Streams with several examples!

    

21. tbmq

    20 3 733 9.8 Java

    The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.

    

22. zilla

    21 10 691 9.3 Java

    🦎 A multi-protocol edge & service proxy. Seamlessly interface web apps, IoT clients, & microservices to Apache Kafka® via declaratively defined, stateless APIs.

    

23. venice

    22 2 604 9.8 Java

    Venice, Derived Data Platform for Planet-Scale Workloads. (by linkedin)

    

24. my-moments

    23 1 545 1.1 Java

    Instagram Clone - Cloning Instagram for learning purpose

    

Java Kafka related posts

• Made a Tool to Streams Changes from Microsoft SQL Server to Apache Kafka

  2 projects | news.ycombinator.com | 31 May 2026

• 7 Free Tools for Data Pipeline Reconciliation and Cross-Source Validation

  4 projects | dev.to | 13 May 2026

• How to Build a Dead Letter Queue System for Reliable Data Processing

  3 projects | dev.to | 8 May 2026

• Idempotency in Data Pipelines: How to Prevent Duplicate Records

  2 projects | dev.to | 8 May 2026

• Performance Test: Flink 1.19 vs. Spark 4.0 vs. Kafka Streams 3.8 Windowed Aggregation Throughput

  2 projects | dev.to | 4 May 2026

• The Postmortem of a 20-Minute Kafka 3.8 Outage That Delayed 1M Order Messages

  1 project | dev.to | 2 May 2026

• Real-Time Fraud Detection in Java with Kafka Streams and Vector Similarity

  2 projects | dev.to | 29 Apr 2026
• A note from our sponsor - SaaSHub
  www.saashub.com | 14 Jun 2026

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