Java Reactive Programming

Open-source Java projects categorized as Reactive Programming

Top 9 Java Reactive Programming Projects

Reactive Programming
  1. Android-RxJava

    Learning RxJava for Android by example

  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. hivemq-mqtt-client

    HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support

  4. Springy-Store-Microservices

    Springy Store is a conceptual simple μServices-based project using the latest cutting-edge technologies, to demonstrate how the Store services are created to be a cloud-native and 12-factor app agnostic. Those μServices are developed based on Spring Boot & Cloud framework that implements cloud-native intuitive, design patterns, and best practices.

  5. Firefly

    Firefly is an asynchronous web framework for rapid development of high-performance web application. (by hypercube1024)

  6. spring-examples

    Java 17 and Spring-Boot examples and demo projects. (by jveverka)

  7. spring-petclinic-reactive

    Reactive version of Spring PetClinic sample application based on Spring Webflux and Cassandra

  8. vertx-async-to-sync

    Consume an async api (with callback) from sync endpoint using vert.x

  9. Sevalla

    Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!

    Sevalla logo
  10. job-winner

    A backend API built with Java Spring Reactive and GraphQL to track job applications, manage interviews and monitor job offers efficiently.

  11. Android-Concepts-Reference

    A single repository to learn the basics of Android in Java without all the fluff.

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 Reactive Programming discussion

Log in or Post with

Java Reactive Programming related posts

  • How much of real world programming involves using containers and for loops?

    2 projects | /r/learnprogramming | 1 Dec 2022
  • GitHub - jesperancinha/sea-shell-archiver at 2.0.0

    1 project | /r/JavaOnTheEdge | 21 Aug 2021
  • [Pet project] Consume async api in sync way in client side using Vert.x event bus

    1 project | /r/vertx | 25 Jul 2021
  • Web Applications from the Future: A Database in the Browser

    2 projects | news.ycombinator.com | 8 Jun 2021
  • Kicking Spring Native's tires

    3 projects | dev.to | 21 Mar 2021
  • A note from our sponsor - SaaSHub
    www.saashub.com | 1 Sep 2025
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

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

# Project Stars
1 Android-RxJava 7,531
2 hivemq-mqtt-client 977
3 Springy-Store-Microservices 602
4 Firefly 297
5 spring-examples 122
6 spring-petclinic-reactive 84
7 vertx-async-to-sync 12
8 job-winner 7
9 Android-Concepts-Reference 4

Sponsored
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.
www.influxdata.com