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Top 12 Java Avro Projects
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A schema.json converter for easier ingestion (likely supporting Avro and Protobuf)
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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To keep things simple, I used Kafka Connect in place of Debezium. The two are essentially the same but with different dispatchers, and behind the scenes they all use the same library.
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kafka-connect-file-pulse
🔗 A multipurpose Kafka Connect connector that makes it easy to parse, transform and stream any file, in any format, into Apache Kafka
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rumble
⛈️ RumbleDB 1.23.0 "Mountain Ash" 🌳 for Apache Spark | Run queries on your large-scale, messy JSON-like data (JSON, text, CSV, Parquet, ROOT, AVRO, SVM...) | No install required (just a jar to download) | Declarative Machine Learning and more (by RumbleDB)
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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spring-schema-registry
The purpose of this module is to solve the problem of multiple keystores using Spring Boot + Kafka + Schema Registry + SSL and Spring Schema Resgistry Test
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kafka-avro-without-registry
Test Spring Kafka application (using Avro as a serialization mechanism) without the need for Confluent Schema Registry
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schema_registry_test_app
Java Application that consumes different types of messages supported by Schema Registry, and produces a similar kind to the same topic.
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First off, let's spin up all the required components using this docker-compose.yml. It will start Zookeeper, Kafka and Kafdrop containers in your system.
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kafkarest-processor
Apache NiFi 1.10.0 Processor to consume 1 Kafka message at a time, easily to tie into a REST Proxy
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 Avro discussion
Java Avro related posts
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What tool do you use to document your Kafka messages format?
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How to handle failing message in a topic with Avro schema?
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What is Schema Registry and How Does It Work? [Explained]
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Testing a Kafka consumer with Avro schema messages in your Spring Boot application with Testcontainers
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Looking for simple avro like serialization format
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A note from our sponsor - InfluxDB
influxdata.com | 29 Apr 2025
Index
What are some of the best open-source Avro projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Apache Avro | 3,053 |
| 2 | schema-registry | 2,291 |
| 3 | examples | 1,968 |
| 4 | mongo-kafka | 360 |
| 5 | kafka-connect-file-pulse | 327 |
| 6 | rumble | 223 |
| 7 | java-11-examples | 61 |
| 8 | spring-schema-registry | 27 |
| 9 | kafka-avro-without-registry | 26 |
| 10 | schema_registry_test_app | 4 |
| 11 | all-about-kafka | 4 |
| 12 | kafkarest-processor | 2 |
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Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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