Top 13 Java Real-time Projects

Real-time

• Add a project

1. doris

   1 48 13,570 10.0 Java

   Apache Doris is an easy-to-use, high performance and unified analytics database.

   

   Project mention: Apache Doris: open-source data warehouse for real time data analytics | news.ycombinator.com | 2024-10-26

2. InfluxDB

   influxdata.com featured

   InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

   

3. seatunnel

   2 48 8,455 9.9 Java

   SeaTunnel is a next-generation super high-performance, distributed, massive data integration tool.

   

   Project mention: Practical experience in deploying K8s clusters in Apache SeaTunnel separated cluster mode | dev.to | 2025-04-22

   Official Apache SeaTunnel website: https://seatunnel.apache.org/

4. Hazelcast

   3 7 6,310 9.9 Java

   Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

   

5. flink-cdc

   4 5 6,040 9.6 Java

   Flink CDC is a streaming data integration tool

   

   Project mention: flink-cdc VS cocoindex - a user suggested alternative | libhunt.com/r/flink-cdc | 2025-04-01

6. bitsail

   5 1 1,652 6.6 Java

   BitSail is a distributed high-performance data integration engine which supports batch, streaming and incremental scenarios. BitSail is widely used to synchronize hundreds of trillions of data every day.

   

7. AutobahnAndroid

   6 0 1,526 3.4 Java

   WebSocket & WAMP in Java for Android and Java 8

   

8. fluss

   7 1 1,118 9.7 Java

   Fluss is a streaming storage built for real-time analytics.

   

   Project mention: Stream Processing Systems in 2025: RisingWave, Flink, Spark Streaming, and What's Ahead | dev.to | 2025-01-27

   If you’ve been following the stream processing domain for a while, you’ll notice a significant trend: most stream processing systems are now building their own storage engines. For instance, RisingWave is a streaming database with built-in capabilities for storing and serving data by default. Similarly, Flink recently introduced Fluss and Paimon to enhance its serving capabilities. Databricks’ Delta Live Tables, likely built on Spark Streaming, allows users to directly serve data, highlighting a broader industry trend.

9. CodeRabbit

   coderabbit.ai featured

   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.

   

10. seatunnel-web

    8 2 675 8.7 Java

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

    

    Project mention: November Report on Apache SeaTunnel Community Development | dev.to | 2024-12-03

    [Bug] [Seatunnel-web]No configuration setting found for key 'where_c…ondition' @arshadmohammad

11. swim

    9 1 493 4.9 Java

    Full stack application platform for building stateful microservices, streaming APIs, and real-time UIs

    

12. ksql

    10 4 186 10.0 Java

    The database purpose-built for stream processing applications.

    

13. binance-futures-connector-java

    11 1 169 2.8 Java

    Simple Java connector to Binance Futures API

    

14. Karve

    12 3 41 0.0 Java

    Real Time Seam Carving with object removal.

    

15. roc-java

    13 2 21 4.5 Java

    JNI bindings for Roc Toolkit.

    

Java Real-time related posts

• Practical experience in deploying K8s clusters in Apache SeaTunnel separated cluster mode

  1 project | dev.to | 22 Apr 2025

• You’re Invited: Apache SeaTunnel Biweekly Community Meeting on April 8, 2025

  1 project | dev.to | 7 Apr 2025

• flink-cdc VS cocoindex - a user suggested alternative

  2 projects | 1 Apr 2025

• Full Data Synchronization from PostgreSQL 14.6 to Apache Doris 3.0.3 Using Apache SeaTunnel 2.3.9: A Step-by-Step Guide

  1 project | dev.to | 12 Mar 2025

• My Journey in the Apache SeaTunnel Community: Contributions, Challenges, and Reflections

  1 project | dev.to | 6 Mar 2025

• 25 minutes 👉 23 seconds， Data into an Oracle table — Apache SeaTunnel performance optimization

  1 project | dev.to | 4 Mar 2025

• Apache SeaTunnel 2.3.8 JDBC Connector Development Guide

  1 project | dev.to | 26 Feb 2025
• A note from our sponsor - CodeRabbit
  coderabbit.ai | 29 Apr 2025

  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. Learn more →

Index

Sponsored

InfluxDB high-performance time series database

Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

influxdata.com

Do not miss the trending Java projects with our weekly report!