Showing 60 open source projects for "kotlin"

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  • 1
    From Java To Kotlin

    From Java To Kotlin

    Your Cheat Sheet For Java To Kotlin

    From Java to Kotlin is a practical guide for Android developers transitioning existing codebases and habits from Java to idiomatic Kotlin. Rather than simply showing syntax translations, it emphasizes Kotlin’s expressive features—null safety, extensions, data classes, sealed hierarchies, and higher-order functions—and how to apply them sensibly. Examples illustrate side-by-side Java and Kotlin snippets, revealing opportunities to reduce boilerplate and improve readability. ...
    Downloads: 1 This Week
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  • 2
    IntelliJ Community Edition

    IntelliJ Community Edition

    IntelliJ IDEA & IntelliJ Platform

    ...From this base, JetBrains builds full editions (Ultimate) by layering proprietary features for enterprise frameworks and integrations. IntelliJ Community supports multiple JVM-based languages (Java, Kotlin, Scala, Groovy) and serves as a host for plugin ecosystems that add support for web, database, and cloud tooling. The project emphasizes performance, modularity, and a responsive user experience, maintaining a codebase that balances long-term maintainability with cutting-edge developer features.
    Downloads: 2,163 This Week
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  • 3
    tinylog

    tinylog

    tinylog is a lightweight logging framework for Java, Kotlin, Scala

    Simplify your logging with tinylog. The lightweight logging framework can be used with Java, Kotlin, Scala, and any other JVM language. tinylog is open source and runs wherever Java is used: JVM, GraalVM, and Android.
    Downloads: 2 This Week
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  • 4
    MyBatis Dynamic SQL

    MyBatis Dynamic SQL

    SQL DSL (Domain Specific Language) for Kotlin and Java

    ...Think of it as a typesafe and expressive SQL DSL (domain-specific language), with support for rendering SQL formatted properly for MyBatis3 and Spring's NamedParameterJDBCTemplate. The library also contains extensions for Kotlin that enable an idiomatic Kotlin DSL for SQL. The library will generate full DELETE, INSERT, SELECT, and UPDATE statements. The DSL implemented by the library is very similar to native SQL but it includes many functions that allow for very dynamic SQL statements.
    Downloads: 0 This Week
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  • 5
    jooby

    jooby

    The modular web framework for Java and Kotlin

    Jooby is a modern, performant and easy to use web framework for Java and Kotlin built on top of your favorite web server.
    Downloads: 2 This Week
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  • 6
    jimmer

    jimmer

    A revolutionary ORM framework for both java and kotlin.

    A revolutionary ORM framework for both Java and kotlin and a complete integrated solution. You can view everything from the documentation. Brings dynamism into static language ORM frameworks, achieving flexible capabilities for operating on complex dynamic data structures without compromising the complete compile-time safety checks of static languages, eliminating DTO explosion and unafraid of engineering expansion and changing requirements.
    Downloads: 7 This Week
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  • 7
    Codename One

    Codename One

    Cross-platform framework for building truly native mobile apps

    ...Native look and feel out of the box, but fully themeable using CSS to provide your own unique look. Compiles Java or Kotlin into native code for iOS, UWP (Universal Windows Platform), Android and even JavaScript (with seamless PWA and Thread support) Changes you make in your Java/Kotlin source code will be applied immediately to your already-running app in the simulator.
    Downloads: 19 This Week
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  • 8
    MongoDB JVM Driver

    MongoDB JVM Driver

    The MongoDB drivers for Java, Kotlin, and Scala

    ...For tutorials on how to use the MongoDB JVM Drivers, please reference MongoDB University. Additional tutorials, videos, and code examples using both the Java Driver and the Kotlin Driver can also be found in the MongoDB Developer Center.
    Downloads: 0 This Week
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  • 9
    RoundCornerProgressBar

    RoundCornerProgressBar

    [Android] Round Corner Progress Bar Library for Android

    Round corner is cool. Let's make your progress bar with round corner. Colorful rounded corner progress bar.
    Downloads: 3 This Week
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  • 10
    Habitica for Android

    Habitica for Android

    Native Android app for Habitica

    Habitica is an open source habit building program which treats your life like a Role Playing Game. Level up as you succeed, lose HP as you fail, earn money to buy weapons and armor. This repository is related to the Android Native Application.
    Downloads: 7 This Week
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  • 11
    BRVAH

    BRVAH

    Powerful and flexible RecyclerView Adapter

    BRVAH or Base RecyclerView Adapter Helper is a helpful tool for using RecyclerView more easily and efficiently. If you're an Android developer, you're probably familiar with RecyclerView as it is one of the most frequently-used controls in Android. While it may be quite useful however, a lot of developers can find it vexing to use. This is where BRVAH comes in. With BRVAH, it becomes easier than ever to use RecyclerView. Its efficient use meets the common needs of Android developers in...
    Downloads: 7 This Week
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  • 12
    Slack SDK for Java

    Slack SDK for Java

    Slack Developer Kit (including Bolt for Java) for any JVM languages

    Slack SDK for Java supports the Slack platform in a Java idiomatic way. The SDK written in Java so developers can use it in any JVM language including Kotlin, Groovy, and Scala. If what you want to do is call Slack APIs in your existing services, we recommend using only the Slack API Client. If instead, you’re developing a new modern and interactive Slack app, we recommend Bolt for it. The framework enables developers to focus on the essential parts of their apps without being bothered by trifles.
    Downloads: 0 This Week
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  • 13
    MCProtocolLib

    MCProtocolLib

    A library for communication with a Minecraft client/server

    MCProtocolLib is a simple library for communicating with Minecraft clients and servers. It allows developers to build custom bots, clients, or servers for Minecraft with ease.
    Downloads: 22 This Week
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  • 14
    Component

    Component

    A powerful componentized framework

    A powerful componentized framework. A powerful, 100% compatible, AndroidX, Kotlin support and flexible componentized framework. Component 2.x will all use Kotlin, and the annotation driver will be developed using ksp. The workload is huge. Therefore, the official 2.x version will have routine maintenance bugs in 1.9.x after a long time, please rest assured. Early adopters can use it 2.x, please use 1.9.x for stability.
    Downloads: 5 This Week
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  • 15
    CTFcrackTools

    CTFcrackTools

    China's first CTFTools framework

    The first CTF tool framework in China. China's first CTFTools framework designed to help CTFer quickly overcome the CTF problem. Use kotlin and java mixed development. This is probably the first tool framework applied to CTF in China. Built-in current mainstream password, includes but is not limited to Virginia password, Caesar password, fence password. Users can write plugs independently, but only support Python to write plugs. The writing method is also extremely simple.
    Downloads: 8 This Week
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  • 16
    libsu

    libsu

    A complete solution for apps using root permissions

    ...Instead of ad-hoc Runtime.exec calls, it offers structured sessions, proper I/O streams, and lifecycle handling that works reliably across devices. The library focuses on developer ergonomics: thread-safe helpers, Kotlin-friendly APIs, and utilities for file operations, process management, and parcelable data transfer. It’s designed to interoperate smoothly with Magisk-based root environments while degrading gracefully on non-rooted devices when possible. Attention is given to security and correctness—avoiding resource leaks, handling timeouts, and containing elevated operations to explicit scopes. ...
    Downloads: 13 This Week
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  • 17
    Facebook SDK for Android

    Facebook SDK for Android

    Used to integrate Android apps with Facebook Platform

    This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub. A secure and convenient way for people to log into your app or website by...
    Downloads: 12 This Week
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  • 18
    Official Android SDK for Stream Chat

    Official Android SDK for Stream Chat

    Android Chat SDK ➜ Stream Chat API. UI component libraries for chat

    This is the official Android SDK for Stream Chat, a service for building chat and messaging applications. This library includes both a low-level chat SDK and a set of reusable UI components. Most users start with the UI components and fall back to the lower-level API when they want to customize things. We're proud to say that we're the first Android Chat SDK that supports Jetpack Compose! We released our Compose UI Components one day after the official Jetpack Compose 1.0 release and our...
    Downloads: 10 This Week
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  • 19
    WordPress for Android

    WordPress for Android

    WordPress for Android

    If you're just looking to install WordPress for Android, you can find it on Google Play. If you're a developer wanting to contribute, read on. Inspiration strikes any time, anywhere. WordPress mobile apps put the power of publishing in your hands. And of course, they’re open source, just like WordPress. WordPress for Android lets you take the power to publish to the web with you. It is much more than a website builder. Give your great ideas a home on the web. WordPress for Android is a...
    Downloads: 12 This Week
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  • 20
    Spring Framework

    Spring Framework

    Comprehensive programming and configuration model for modern apps

    The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications, on any kind of deployment platform. A key element of Spring is infrastructural support at the application level: Spring focuses on the "plumbing" of enterprise applications so that teams can focus on application-level business logic, without unnecessary ties to specific deployment environments.
    Downloads: 26 This Week
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  • 21
    Micronaut Data

    Micronaut Data

    Ahead of Time Data Repositories

    Micronaut Data is a database access toolkit that uses Ahead of Time (AoT) compilation to pre-compute queries for repository interfaces that are then executed by a thin, lightweight runtime layer. Both GORM and Spring Data maintain a runtime meta-model that uses reflection to model relationships between entities. This model consumes significant memory and memory requirements grow as your application size grows. The problem is worse when combined with Hibernate which maintains its own...
    Downloads: 0 This Week
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  • 22
    Micronaut

    Micronaut

    Micronaut Application Framework

    ...This is achieved by pre-computing the framework infrastructure at compilation time which reduces the logic required at runtime for the application to work. Compatible with Java, Groovy, and Kotlin, with Scala on the roadmap.
    Downloads: 0 This Week
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  • 23
    Spring Initializr

    Spring Initializr

    A quickstart generator for Spring projects

    A quickstart generator for Spring projects. The various options for the projects are expressed in a metadata model that allows you to configure the list of dependencies, supported JVM and platform versions, etc. Spring Initializr also exposes web endpoints to generate an actual project and also serve its metadata in a well-known format to allow third-party clients to provide the necessary assistance. A set of optional conventions for Spring Boot projects is provided and are used in our...
    Downloads: 15 This Week
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  • 24
    Android Interview Questions

    Android Interview Questions

    Your Cheat Sheet For Android Interview

    ...It includes explanations and Q&A on the Android app lifecycle, activities and fragments, services, broadcast receivers, content providers, and the build system. Modern practices are addressed as well—Kotlin language features, coroutines, Jetpack components, MVVM/MVI architecture, dependency injection, and testing strategies. Performance and reliability topics receive attention, such as memory management, threading, WorkManager, networking, and offline storage patterns. The content favors concise, practical answers that interviewers expect, helping candidates rehearse concepts and trade-offs rather than memorize trivia. ...
    Downloads: 0 This Week
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  • 25
    Elide

    Elide

    Elide is a Java library that lets you stand up a GraphQL/JSON-API

    ...Elide is a Java library that enables you to stand up JSON API or GraphQL web services in 4 simple steps. Define a JPA annotated model including relationships to other models using Java, Kotlin, Groovy, and other JVM languages. Control access to fields and entities through a declarative, intuitive permission syntax. Make instances of your new model accessible through a top level collection or restrict access only through relationships to other models. And thats it, you are ready to deploy and query your data with JSON or GraphQL requests. ...
    Downloads: 7 This Week
    Last Update:
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