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RxJava

RxJava – Reactive Extensions for the JVM is a library for composing asynchronous and event-based programs using observable sequences.

Some of the top features or benefits of RxJava are: Asynchronous Programming, Composability, Error Handling, Rich Operator Set, and Backpressure Support. You can visit the info page to learn more.

We have listed more than 10 alternatives to RxJava. You can find them below. The top competitors are: Guava, Java, and Quarkus. Apart from the top ones, people also compare RxJava with Laravel, Ktor, and Django.
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RxJava

Best RxJava Alternatives & Competitors in 2025

The best RxJava alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 15

    Guava

    ↔ RxJava

    Google core libraries for Java 6+.

    Open Source

    /guava-alternatives
  2. 9

    Java

    ↔ RxJava

    A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible

    /java-alternatives
  3. Featured

    ✓ Unimus

    ↔ RxJava

    Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.

    Try for free freemium

    Try for free
  4. 12

    Quarkus

    ↔ RxJava

    Quarkus: Supersonic Subatomic Java. . Contribute to quarkusio/quarkus development by creating an account on GitHub.

    /quarkus-alternatives
  5. 5

    JaVers

    ↔ RxJava

    With JaVers you can forget about troublesome data versioning. Let the changes in your data be managed by JaVers.

    /javers-alternatives
  6. 10

    MyBATIS

    ↔ RxJava

    MyBatis is a top-rated SQL-based data mapping solution used by Programmers, Software Engineers, and Database Architects for developing object-oriented software applications.

    /mybatis-alternatives
  7. 4

    Apache POI

    ↔ RxJava

    Application and Data, Languages & Frameworks, and Java Tools

    Open Source

    /apache-poi-alternatives
  8. 9

    Lombok

    ↔ RxJava

    Application and Data, Languages & Frameworks, and Java Tools

    Open Source

    /lombok-alternatives
  9. 10

    Thymeleaf

    ↔ RxJava

    Thymeleaf is a modern server-side Java template engine for both web and standalone environments.

    Open Source

    /thymeleaf-alternatives
  10. 4

    Laravel

    ↔ RxJava

    A PHP Framework For Web Artisans

    Open Source

    /laravel-alternatives
  11. 3

    Ktor

    ↔ RxJava

    Ktor is a tough gig developmental platform that comes with the support to build asynchronous servers and clients right in the kotlin.

    Open Source

    /ktor-alternatives
  12. 4

    vert.x

    ↔ RxJava

    From Wikipedia, the free encyclopedia

    Open Source

    /vert-x-alternatives
  13. 5

    Apache FreeMarker

    ↔ RxJava

    Java template engine; generates HTML web pages, e-mails, configuration files, source code, etc. from template files and the data your application provides.

    Open Source

    /apache-freemarker-alternatives
  14. 2

    DataGrip

    ↔ RxJava

    Tool for SQL and databases

    /datagrip-alternatives
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Unimus
Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills. featured
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