Top 5 Java data-pipeline Projects

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1. shardingsphere

   1 24 20,790 9.9 Java

   Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

   

2. AppSignal

   www.appsignal.com sponsored

   Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

   

3. debezium

   2 97 13,076 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.

4. flink-cdc

   3 6 6,472 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.

5. seatunnel-web

   4 2 877 5.0 Java

   SeaTunnel is a distributed, high-performance data integration platform for the synchronization and transformation of massive data (offline & real-time).

   

6. sqrl

   5 2 223 9.7 Java

   Agentic Data Engineering Harness for building data pipelines, data products, data APIs, and data lakes autonomously (by DataSQRL)

   

7. Kargo

   akuity.io sponsored

   Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.

   

Java data-pipeline related posts

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

  4 projects | dev.to | 13 May 2026

• Flink CDC from the Trenches: Handling JSON in Pipelines with UDFs

  1 project | dev.to | 16 Dec 2025

• flink-cdc VS cocoindex - a user suggested alternative

  2 projects | 1 Apr 2025

• Kestra: Declarative Orchestration Platform for High-Scale Workflow Automation

  1 project | news.ycombinator.com | 30 Sep 2024

• How do you solve data plumbing? Can we compile it away?

  1 project | /r/dataengineering | 20 Oct 2023

• A High-Performance, Java-Based Orchestration Platform

  1 project | /r/java | 11 Oct 2023

• Kestra is an open-source data orchestration platform for complex workflows

  1 project | news.ycombinator.com | 4 Oct 2023
• A note from our sponsor - AppSignal
  www.appsignal.com | 8 Sep 2026

  APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product. Learn more →

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Sponsored

Monitoring that respects your time & budget

APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

www.appsignal.com

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