Java event-streaming

Open-source Java projects categorized as event-streaming

Top 8 Java event-streaming Projects

event-streaming
  1. Apache Pulsar

    Apache Pulsar - distributed pub-sub messaging system

    Project mention: Every Database Will Support Iceberg — Here's Why | dev.to | 2025-04-22

    Ingest real-time data from Kafka, Pulsar, or CDC sources like Postgresand MySQL, with built-in support for Debezium.

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. debezium

    Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

    Project mention: Streaming Postgres Changes with Debezium and Kafka Connect: A Hands-On Tutorial | dev.to | 2025-05-05

    Debezium

  4. kafka-ui

    Open-Source Web UI for Apache Kafka Management

    Project mention: How to Get Remote Code Execution in Kafka UI | news.ycombinator.com | 2024-07-22
  5. kafdrop

    Kafka Web UI

    Project mention: Use Kafdrop to Manage AutoMQ | dev.to | 2024-07-29

    git clone https://github.com/obsidiandynamics/kafdrop.git

  6. eventmesh

    EventMesh is a new generation serverless event middleware for building distributed event-driven applications.

  7. kafka-ui

    Open-Source Web UI for managing Apache Kafka clusters (by kafbat)

    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.

  8. zilla

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

  9. SaaSHub

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

    SaaSHub logo
  10. pulsar-recipes

    A StreamNative library containing a collection of recipes that are implemented on top of the Pulsar client to provide higher-level functionality closer to the application domain.

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).

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Java event-streaming related posts

  • Every Database Will Support Iceberg — Here's Why

    10 projects | dev.to | 22 Apr 2025
  • Kafbat UI – Resurrected Kafka UI from the Original Core Team

    1 project | news.ycombinator.com | 15 Apr 2025
  • Show HN: Kafbat UI for Apache Kafka v1.2 is out

    1 project | news.ycombinator.com | 21 Mar 2025
  • Introducing Kafbat UI: Simplify Kafka Management with a Modern UI

    1 project | dev.to | 17 Jan 2025
  • Show HN: Kafbat UI for Apache Kafka v1.1 is out

    1 project | news.ycombinator.com | 13 Jan 2025
  • Kafka-on-Pulsar Got Archived

    1 project | news.ycombinator.com | 24 Jan 2024
  • UI for Apache Kafka - An open-source tool for monitoring and managing Apache Kafka Clusters - v0.17 release

    3 projects | /r/dataengineering | 1 Jun 2023
  • A note from our sponsor - SaaSHub
    www.saashub.com | 21 May 2025
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

What are some of the best open-source event-streaming projects in Java? This list will help you:

# Project Stars
1 Apache Pulsar 14,601
2 debezium 11,397
3 kafka-ui 10,761
4 kafdrop 5,824
5 eventmesh 1,646
6 kafka-ui 1,072
7 zilla 585
8 pulsar-recipes 12

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