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Top 23 Kotlin Java Projects
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View the Project on GitHub
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CodeRabbit
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5. LeakCanary 3.0 LeakCanary 3.0 is a memory leak detection library for Android that helps developers find and fix memory leaks in their apps. In 3.0, integration with WorkManager performs background analysis to prevent memory issues during heap analysis, and AndroidX App Startup implements efficient app initialization.
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MaterialDrawer
The flexible, easy to use, all in one drawer library for your Android project. Now brand new with material 2 design.
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recyclerview-animators
An Android Animation library which easily add itemanimator to RecyclerView items.
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I just want to put out Loop Habit Tracker ( https://github.com/iSoron/uhabits ). Its open source, ad free and has the option to start the day at 3 am. I am very happy with this solution.
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Alerter is an open-source Android alerting library developed by Tapadoo source: https://github.com/Tapadoo/Alerter. that provides a flexible and customizable way to create alerts in your Android applications. It offers a wide range of features, such as custom layouts, animations, durations, and more. I just discovered it and now i am creating this guide that will also take you a step-by-step tutorial on how to use the Alerter library to create engaging and informative alerts for your users.
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Android-Iconics
Android-Iconics - Use any icon font, or vector (.svg) as drawable in your application.
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SaaSHub
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WilliamChart
Android Library to rapidly develop attractive and insightful charts in android applications. (by diogobernardino)
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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.
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intellij-rainbow-brackets
🌈Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco Studio/Fleet
Project mention: Top 10 IntelliJ IDEA Plugins to Boost Development Efficiency in 2024 | dev.to | 2024-12-18Plugin Name Plugin URL Apidog Fast Request https://plugins.jetbrains.com/plugin/25925-apidog-fast-request--auto-detect-endpoints-http-rest-client JetBrains AI Assistant https://plugins.jetbrains.com/plugin/22282-jetbrains-ai-assistant Lombok https://plugins.jetbrains.com/plugin/6317-lombok SonarLint https://plugins.jetbrains.com/plugin/7973-sonarqube-for-ide Save Actions https://plugins.jetbrains.com/plugin/7642-save-actions Key Promoter X https://plugins.jetbrains.com/plugin/9792-key-promoter-x CodeGlance https://plugins.jetbrains.com/plugin/7275-codeglance Rainbow Brackets https://plugins.jetbrains.com/plugin/10080-rainbow-brackets Translation https://plugins.jetbrains.com/plugin/8579-translation JRebel https://plugins.jetbrains.com/plugin/4441-jrebel-and-xrebel
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Unfortunately and at least as of March, Jellyfin doesn't support deeplinks.
https://github.com/jellyfin/jellyfin-androidtv/discussions/3...
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apkupdater
APKUpdater is an open source tool that simplifies the process of finding updates for your installed apps.
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jclasslib
jclasslib bytecode editor is a tool that visualizes all aspects of compiled Java class files and the contained bytecode.
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RootEncoder
RootEncoder for Android (rtmp-rtsp-stream-client-java) is a stream encoder to push video/audio to media servers using protocols RTMP, RTSP, SRT and UDP with all code written in Java/Kotlin
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dependency-analysis-gradle-plugin
Gradle plugin for JVM projects written in Java, Kotlin, Groovy, or Scala; and Android projects written in Java or Kotlin. Provides advice for managing dependencies and other applied plugins
If you maintain a JVM1 or Android project, chances are you've heard of the Dependency Analysis Gradle Plugin (DAGP). With over 1800 stars, it's used by some of largest Gradle projects in the world, as well as by Gradle itself. It fills what would otherwise be a substantial hole in the Gradle ecosystem: without it, I know of no other way to eliminate unused dependencies and to correctly declare all your actually-used dependencies. In other words, when you use this plugin, your dependency declarations are exactly what you need to build your project: nothing more, nothing less.
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SaaSHub
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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 Java discussion
Kotlin Java related posts
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[Kotlin] Using Mappie to Reassign Data Class Properties
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2025년에 안드로이드 앱을 만들기
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OkHttp: The HTTP Client That Will Blow Your Mind!
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Unveiling Open Source Success: The Inspiring Story of OkHttp
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Kapper, a Fresh Look at ORMs for Kotlin and the JVM
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Coroutines, Distributed Cache, Resilience, and Replication in Kotlin — Making a VMA’s application
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Comparing WebFlux and Spring MVC with JMeter and Kotlin
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A note from our sponsor - SaaSHub
www.saashub.com | 19 Mar 2025
Index
What are some of the best open-source Java projects in Kotlin? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | OkHttp | 46,214 |
| 2 | leakcanary | 29,594 |
| 3 | MaterialDrawer | 11,667 |
| 4 | recyclerview-animators | 11,525 |
| 5 | uhabits | 8,414 |
| 6 | Alerter | 5,526 |
| 7 | Android-Iconics | 5,208 |
| 8 | WilliamChart | 5,119 |
| 9 | FXGL | 4,547 |
| 10 | intellij-rainbow-brackets | 4,508 |
| 11 | Context-Menu.Android | 3,843 |
| 12 | Spotlight | 3,634 |
| 13 | jellyfin-androidtv | 3,241 |
| 14 | apkupdater | 3,122 |
| 15 | WordPress-Android | 3,021 |
| 16 | jclasslib | 2,830 |
| 17 | RootEncoder | 2,649 |
| 18 | apps-android-wikipedia | 2,539 |
| 19 | Android-RoundCornerProgressBar | 2,527 |
| 20 | MultiSnapRecyclerView | 2,507 |
| 21 | Lightning Browser | 2,227 |
| 22 | SeriesGuide | 2,004 |
| 23 | dependency-analysis-gradle-plugin | 1,910 |
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