Kotlin Web

Open-source Kotlin projects categorized as Web

Top 23 Kotlin Web Projects

  1. compose-multiplatform

    Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

  2. CodeRabbit

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  3. ktor

    Framework for quickly creating connected applications in Kotlin with minimal effort

    Project mention: Kotlin Native and GraalVM - The Story So Far | dev.to | 2024-12-27

    Kotlin Native Support #571

  4. FXGL

    Java / JavaFX / Kotlin Game Library (Engine)

    Project mention: JavaFX In Action #11 with Almas Baim about FXGL, a multipurpose game library for JavaFX | dev.to | 2024-12-05

    You can find the sources of FXGL on GitHub with a lot of examples in the fxgl-samples directory.

  5. apollo-android

    :rocket:  A strongly-typed, caching GraphQL client for the JVM, Android, and Kotlin multiplatform.

    Project mention: Pride in Your App - Trying Out GraphQL on Android | dev.to | 2024-06-14

    To use GraphQL, we're going to use Apollo Kotlin (formerly Apollo Android). The library is type-safe and compatible with Kotlin Multiplatform.

  6. plain-app

    PlainApp is an open-source application that allows you to manage your phone through a web browser. Access files, videos, music, contacts, sms, calls, and more from your desktop using a secure, easy to use web interface!

  7. http4k

    The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

  8. GraphQL Kotlin

    Libraries for running GraphQL in Kotlin

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  10. kobweb

    A modern framework for full stack web apps in Kotlin, built upon Compose HTML

  11. kotlinx.html

    Kotlin DSL for HTML

    Project mention: How to use htmx with ktor | dev.to | 2024-04-17

    1 Clone this repo https://github.com/tom-delalande/html-to-kotlin-converter and open in intellij 2 In the root of that project folder, create input.txt and add the component/html that you want to convert (feel free to pick a component from tailwind), run main in that project and it'll be converted to kotlin ktor html DSL in output.txt (basically, that's the readme of that project lol) 3 in your ktor project (make sure you already added ktor-html from kotlin team), respond to a route like so

  12. kvision

    Object oriented web framework for Kotlin/JS

  13. kotless

    Kotlin Serverless Framework (by JetBrains)

  14. spark-kotlin

    A Spark DSL in idiomatic kotlin // dependency: com.sparkjava:spark-kotlin:1.0.0-alpha

  15. skrape.it

    A Kotlin-based testing/scraping/parsing library providing the ability to analyze and extract data from HTML (server & client-side rendered). It places particular emphasis on ease of use and a high level of readability by providing an intuitive DSL. It aims to be a testing lib, but can also be used to scrape websites in a convenient fashion.

  16. fritz2

    Easily build reactive web-apps in Kotlin based on flows and coroutines.

  17. Doodle

    A pure Kotlin UI framework for the Web (and desktop).

    Project mention: Doodle: A Pure Kotlin UI Framework for the Web and Desktop | news.ycombinator.com | 2025-02-06
  18. hexagon

    Hexagon is a microservices toolkit written in Kotlin. Its purpose is to ease the building of services (Web applications or APIs) that run inside a cloud platform.

  19. wasabi

    An HTTP Framework

  20. kara

    Kotlin Web Framework for the JVM

  21. cloudopt-next

    A simple and modern Java and Kotlin vert.x web framework

  22. vertx-lang-kotlin

    Vert.x for Kotlin

  23. midjourney-images-compose-multiplatform

    This application is developed to display the images created by MidJourney. The application is developed with Compose Multiplatform and works on many platforms including Android and iOS platforms.

  24. compose-sonner

    An opinionated toast component for Compose Multiplatform.

  25. shapeshift

    A Kotlin/Java library for intelligent object mapping and conversion between objects.

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
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).

Kotlin Web discussion

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Kotlin Web related posts

  • Doodle: A Pure Kotlin UI Framework for the Web and Desktop

    1 project | news.ycombinator.com | 6 Feb 2025
  • Kotlin Native and GraalVM - The Story So Far

    9 projects | dev.to | 27 Dec 2024
  • Ktor -Create asynchronous applications the Kotlin way!!

    1 project | dev.to | 13 Nov 2024
  • Better Animations... in Latest Doodle

    3 projects | dev.to | 29 Jun 2024
  • Building a subscription tracker Desktop and iOS app with compose multiplatform - Configuring Notion

    3 projects | dev.to | 25 Jun 2024
  • Pride in Your App - Trying Out GraphQL on Android

    2 projects | dev.to | 14 Jun 2024
  • How to use htmx with ktor

    2 projects | dev.to | 17 Apr 2024
  • A note from our sponsor - CodeRabbit
    coderabbit.ai | 10 Feb 2025
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Index

What are some of the best open-source Web projects in Kotlin? This list will help you:

# Project Stars
1 compose-multiplatform 16,709
2 ktor 13,291
3 FXGL 4,517
4 apollo-android 3,795
5 plain-app 2,699
6 http4k 2,642
7 GraphQL Kotlin 1,749
8 kobweb 1,684
9 kotlinx.html 1,653
10 kvision 1,261
11 kotless 1,160
12 spark-kotlin 987
13 skrape.it 828
14 fritz2 678
15 Doodle 669
16 hexagon 579
17 wasabi 503
18 kara 470
19 cloudopt-next 345
20 vertx-lang-kotlin 297
21 midjourney-images-compose-multiplatform 255
22 compose-sonner 236
23 shapeshift 195

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