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Top 20 Java kafka-stream Projects
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GitHub: https://github.com/provectus/kafka-ui
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$ curl -L "https://github.com/strimzi/strimzi-kafka-operator/releases/download/0.43.0/strimzi-topic-operator-0.43.0.yaml" \ -o strimzi-cluster-operator.yaml
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Project mention: Kafbat UI – Resurrected Kafka UI from the Original Core Team | news.ycombinator.com | 2025-04-15
We brought Kafbat UI back to life — a clean, modern UI for Apache Kafka (kafka-ui), originally built by the core team that created the widely used Kafka tools you may have seen before.
Key features:
Built by the original maintainers
Instant cluster introspection and topic browsing
Zero-config local startup (Docker support included)
Actively maintained & open source
GitHub: https://github.com/kafbat/kafka-ui
We’d love your feedback and contributions — let’s build the Kafka UI we all wanted back.
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airy
💬 Open Source App Framework to build streaming apps with real-time data - 💎 Build real-time data pipelines and make real-time data universally accessible - 🤖 Join historical and real-time data in the stream to create smarter ML and AI applications. - ⚡ Standardize complex data ingestion and stream data to apps with pre-built connectors
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sample-spring-kafka-microservices
Example microservices showing how to use Kafka and Kafka Streams with Spring Boot on the example of distributed transactions implementations with the SAGA pattern
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littlehorse
LittleHorse Kernel: A Platform for Distributed Event-Driven or Orchestrated Applications.
Project mention: LittleHorse Kernel: A Platform for Distributed Event-Driven Applications | news.ycombinator.com | 2025-07-14 -
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RemoteCodeCompiler
An online code compiler supporting 11 programming languages (Java, Kotlin, Scala, C, C++, C#, Golang, Python, Ruby, Rust and Haskell) for competitive programming and coding interviews.
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kafka-large-message-serde
A Kafka Serde that reads and writes records from and to Blob storage (S3, Azure, Google) transparently.
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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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Url-shortener
Implementation of url shortener using Kafka Streams and CQRS pattern (by zakariamaaraki)
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javactrl-kafka
Distributed, Scalable, Fault-Tolerant, Minimalistic Workflow Engine - No DAGs, No YAML, No Cumbersome Diagrams, Just Code
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atelier-spring-kafka
Projet d'exemple d'utilisation de la lib `org.springframework.kafka:spring-kafka`
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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 kafka-streams discussion
Java kafka-streams related posts
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Kafka UI in Action: Monitoring and Managing Kafka Like a Pro
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UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release
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UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release
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UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release
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UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release
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UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release
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UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source kafka-stream projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | kafka-ui | 11,091 |
| 2 | strimzi-kafka-operator | 5,350 |
| 3 | kafka-ui | 1,402 |
| 4 | kafka-streams-course | 766 |
| 5 | airy | 398 |
| 6 | sample-spring-kafka-microservices | 367 |
| 7 | littlehorse | 349 |
| 8 | RemoteCodeCompiler | 174 |
| 9 | formula1-telemetry-kafka | 154 |
| 10 | kstreamplify | 132 |
| 11 | java-kafka-client | 129 |
| 12 | kafka-large-message-serde | 62 |
| 13 | di-kafkameter | 41 |
| 14 | covid19-vaccine-tracker | 37 |
| 15 | kafka-streams-cassandra-state-store | 25 |
| 16 | Url-shortener | 16 |
| 17 | javactrl-kafka | 13 |
| 18 | kafka-workflow | 10 |
| 19 | kafka-streams-demo | 4 |
| 20 | atelier-spring-kafka | 1 |
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