Software Alternatives, Accelerators & Startups

Javalin VS RxJS

Compare Javalin VS RxJS and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Javalin logo Javalin

Simple REST APIs for Java and Kotlin

RxJS logo RxJS

Reactive Extensions for Javascript
  • Javalin Landing page
    Landing page //
    2022-10-26
  • RxJS Landing page
    Landing page //
    2023-09-29

Javalin features and specs

  • Lightweight
    Javalin is a lightweight framework with minimal dependencies, making it easy to integrate into existing projects and reducing overhead.
  • Simplicity
    The framework is simple to use and has a straightforward API, which makes it easier for developers to understand and work with.
  • Kotlin & Java Support
    Javalin natively supports both Kotlin and Java, making it flexible for projects written in either language.
  • WebSocket Support
    It includes built-in support for WebSockets, enabling real-time communication between the client and server without additional dependencies.
  • Extensive Documentation
    Javalin comes with comprehensive documentation and guides, which help developers get up to speed quickly.

Possible disadvantages of Javalin

  • Limited Features
    As a minimalist framework, Javalin may lack some advanced features present in more comprehensive frameworks, requiring additional implementations from developers.
  • Community Support
    While growing, the community around Javalin is not as large as other established frameworks, which may result in fewer resources or third-party libraries.
  • Performance Overhead
    Though lightweight, Javalin may not offer the same level of performance optimization as frameworks specifically designed for high-performance use cases.
  • Limited Middleware
    Compared to other frameworks, the middleware support in Javalin is more limited, potentially requiring additional code for customization.

RxJS features and specs

  • Asynchronous Programming Model
    RxJS allows you to work with asynchronous data streams with ease, enabling you to handle events, Ajax requests, and other asynchronous operations more effectively.
  • Composability
    RxJS operators enable developers to compose complex asynchronous operations concisely. This provides greater flexibility and power over handling streams of data.
  • Functional Programming Paradigm
    By using a functional programming approach, RxJS promotes cleaner and more predictable code. It encourages immutability and side-effect-free functions, enhancing code maintainability.
  • Rich Operator Set
    RxJS has a comprehensive set of operators, which allows developers to transform, combine, and filter data streams in various ways without needing to write a lot of boilerplate code.
  • Community and Ecosystem
    With its active community and extensive ecosystem, RxJS provides robust support, an abundance of learning resources, and numerous integrations with other libraries and frameworks.

Possible disadvantages of RxJS

  • Steep Learning Curve
    For developers unfamiliar with reactive programming concepts or functional programming, understanding RxJS can be challenging, potentially leading to difficulty in adopting it.
  • Overhead for Simple Tasks
    Using RxJS for simple asynchronous tasks might add unnecessary complexity compared to native JavaScript promises or async/await due to its powerful abstractions.
  • Bundle Size
    In certain circumstances, incorporating RxJS might lead to increased bundle sizes, which can be a concern for web performance if not managed properly.
  • Complex Debugging
    RxJS introduces a level of abstraction that can make debugging more complex, especially when dealing with multiple combined and transformed data streams.
  • Performance Overhead
    While RxJS is powerful, its generalized approach to handling asynchronous stream processing can introduce performance overhead if not used judiciously.

Javalin videos

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RxJS videos

RxJS is My Favorite Library

More videos:

  • Review - Reactive Programming with RxJS - James Churchill
  • Review - Tero Parviainen "Reactive Music Apps in Angular and RxJS"

Category Popularity

0-100% (relative to Javalin and RxJS)
Web Frameworks
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100
Developer Tools
100 100%
0% 0
Front-End Frameworks
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Javalin seems to be more popular. It has been mentiond 36 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Javalin mentions (36)

  • Year After Switching from Java to Go: Our Experiences
    But Javas has so many of these web frameworks?! * Spring (https://spring.io/) * Spring Boot (https://spring.io/projects/spring-boot) * Helidon (https://helidon.io/) * Micronaut (https://micronaut.io/) * Quarkus (https://quarkus.io/) * JHipster (https://www.jhipster.tech/) * Vaadin (https://vaadin.com/) That's just to mention the bigger ones, there's lots of mini frameworks like Javalin (https://javalin.io/) and... - Source: Hacker News / 4 months ago
  • Latudio – a language acquisition app with a listening-oriented approach
    - like Sentences exercise, but you can select your own set of sentences. You can also set goals and view statistics about your progress. None of this would be possible without the great help from hundreds of our contributors [3], who translated, mapped and recorded content. All the content you find in the app was reviewed multiple times by several people and recordings are made by native speakers. No story in the... - Source: Hacker News / 6 months ago
  • Show HN: Donobu – Mac App for Web Automation and Testing
    - Javalin 6 for the web framework (https://javalin.io/). - Source: Hacker News / 8 months ago
  • Spark – A web micro framework for Java and Kotlin
    I'd recommend Javalin (https://javalin.io/) instead. Same idea, only executed better and it is actively maintained. - Source: Hacker News / over 1 year ago
  • Spark – A web micro framework for Java and Kotlin
    SparkJava has an actively developed fork/successor called Javalin[1]. It's straightforward to convert from SparkJava to Javalin. The latter is written in Kotlin, but works fine with ordinary Java. While the rest of the Java world was devolving into annotation hell, AOP and other nightmares, these Java microframeworks showcased what happens when you forego legacy Java and leverage modern Java language features... - Source: Hacker News / over 1 year ago
View more

RxJS mentions (0)

We have not tracked any mentions of RxJS yet. Tracking of RxJS recommendations started around Mar 2021.

What are some alternatives?

When comparing Javalin and RxJS, you can also consider the following products

Spark Framework - Spark Framework is a simple and lightweight Java web framework built for rapid development.

Zustand - Bear necessities for state management in React

vert.x - From Wikipedia, the free encyclopedia

MobX - Simple, scalable state management

Micronaut Framework - Build modular easily testable microservice & serverless apps

Redux.js - Predictable state container for JavaScript apps