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Kotlin

264 projects

Showing 36 of 264 projects

KGraphQL
KGraphQLKotlin

Pure Kotlin GraphQL implementation

#graphql#kotlin
Stars307
Forks59
Last commit10 months ago
Kotlin DDD Sample
Kotlin DDD SampleKotlin

A sample Domain-Driven Design and CQRS project built with Kotlin and Spring, demonstrating a layered architecture for order management.

#event-driven#gradle#cqrs
Stars306
Forks50
Last commit6 years ago
Wow
WowKotlin

A Kotlin/Java framework for building reactive, event-sourced microservices using DDD and CQRS patterns.

#event-driven#cqrs#high-performance
Stars301
Forks39
Last commit1 day ago
Kotlin coroutines
Kotlin coroutinesKotlin

Vert.x for Kotlin

#non-blocking#coroutines#async
Stars301
Forks64
Last commit4 days ago
Kotlin
KotlinKotlin

Vert.x for Kotlin

#non-blocking#coroutines#async
Stars301
Forks64
Last commit4 days ago
KMQTT
KMQTTKotlin

A Kotlin Multiplatform MQTT 3.1.1/5.0 client and embeddable/standalone broker targeting multiple platforms.

#iot#kotlin-native#embedded-systems
Stars295
Forks51
Last commit1 year ago
Gandalf
GandalfJava

An Android library for remotely managing app alerts, optional updates, and mandatory version blocking via a hosted JSON file.

#json-config#version-management#remote-configuration
Stars281
Forks43
Last commit5 years ago
Timecon
TimeconKotlin

An easy-to-use animated clock icon library for Android, written in Kotlin with customizable time display and animations.

#custom-drawable#mobile-ui#clock-widget
Stars267
Forks34
Last commit8 years ago
Godot Google Play Game Services
Godot Google Play Game ServicesGDScript

A Godot 4.x plugin for integrating Google Play Game Services SDK into Android games.

#achievements#gdscript#android
Stars266
Forks29
Last commit5 days ago
VoiceOverlay
VoiceOverlayKotlin

An Android overlay that handles voice permission and converts user speech to text with a customizable UI.

#conversational-ui#input#ui-overlay
Stars264
Forks36
Last commit4 years ago
Insecureshop
InsecureshopKotlin

An intentionally vulnerable Android shopping app built in Kotlin for security education and penetration testing practice.

#vulnerable-app#mobile-security#webview-security
Stars260
Forks259
Last commit4 years ago
Actionbase
ActionbaseKotlin

A specialized database for social interactions (likes, views, follows) that precomputes data at write time for real-time, high-scale reads.

#database#spring-webflux#hbase
Stars223
Forks15
Last commit1 day ago
Interview Questions for Senior Android Developers
Interview Questions for Senior Android Developers

A comprehensive collection of technical interview questions for Senior Android Developer positions.

#technical-interview#java#android-development
Stars223
Forks24
Last commit2 years ago
Mundus
MundusJava

A platform-independent 3D world editor built with Java, Kotlin, and libGDX for creating and rendering scenes in libGDX projects.

#terrain-generation#opengl#3d-editor
Stars190
Forks27
Last commit2 months ago
Passkeys
PasskeysDart

Flutter packages for passkey authentication on iOS and Android using FIDO2/WebAuthn standards.

#passkeys#dart#package
Stars183
Forks57
Last commit7 days ago
NoPaginate
NoPaginateJava

A deprecated Android pagination library for RecyclerView with customizable loading and error states, designed for MVP and Clean Architecture.

#recyclerview#android#java
Stars180
Forks31
Last commit4 years ago
libGDX Plugin
libGDX PluginKotlin

An IntelliJ plugin that adds LibGDX-specific inspections, code completion, and file support for game development.

#ide-integration#json-support#java
Stars159
Forks9
Last commit1 month ago
Kovert
KovertKotlin

An invisible REST and web framework for Kotlin that binds controllers to Vert.x routers with minimal annotations.

#dependency-injection#template-engine#async
Stars158
Forks10
Last commit7 years ago
Zolang
ZolangSwift

A programming language that transpiles to multiple platforms using customizable templates, enabling single-source code generation.

#metaprogramming#transpiler#model-definition
Stars155
Forks10
Last commit4 years ago
claude-toolbox
claude-toolboxShell

A template repository and plugin system providing a pre-configured Claude Code development environment with MCP servers, skills, and collaborative workflows.

#collaborative-tools#js#developer-tools
Stars147
Forks30
Last commit1 month ago
VK²
VK²Kotlin

A Kotlin wrapper for Vulkan that enhances developer experience with type safety, collection support, and concise syntax.

#vulkan-library#vulkan#low-level-graphics
Stars142
Forks6
Last commit3 years ago
Android-View-Actions
Android-View-ActionsJava

A library for creating complex Android animations with a simple, declarative API inspired by libGDX scene2d actions.

#ui-animations#animation#declarative-animations
Stars137
Forks27
Last commit5 years ago
origami
origamiClojure

A JVM library providing the lowest barrier of entry to image processing, computer vision, and neural networks using OpenCV.

#dnn#yolov8#opencv
Stars130
Forks6
Last commit5 months ago
The White Rabbit
The White RabbitKotlin

A Kotlin coroutine-based library for RabbitMQ that simplifies asynchronous messaging with modern reactive patterns.

#rabbitmq-client#library#message-queue
Stars130
Forks9
Last commit1 day ago
vips-ffm
vips-ffmJava

Fast, safe, and complete libvips bindings for Java/JVM projects using the Foreign Function & Memory API.

#ffm#high-performance#class-file
Stars130
Forks16
Last commit5 days ago
Validator
ValidatorKotlin

A Kotlin library for validating text input in Android TextInputLayout with built-in rules and custom rule support.

#validation#android#input-validation
Stars129
Forks9
Last commit4 years ago
gatling-grpc
gatling-grpcScala

A Gatling load test plugin for gRPC, enabling performance testing of gRPC services with Scala, Java, or Kotlin.

#load-testing#performance-testing#java
Stars128
Forks46
Last commit2 years ago
Docker Client for JVM
Docker Client for JVMGroovy

A Docker HTTP client for the Java VM written in Groovy and Kotlin, supporting all Docker API endpoints.

#docker-engine#hacktoberfest#engine-api
Stars122
Forks28
Last commit1 day ago
MapScaleView
MapScaleViewJava

A customizable scale bar component for Android maps that works with Google Maps, OSM, MapBox, and Yandex.

#ui-component#google-maps#android
Stars120
Forks28
Last commit6 years ago
dgs-federation-example
dgs-federation-exampleKotlin

A demonstration of building federated GraphQL services using Netflix's DGS framework with Apollo Federation.

#gradle#graphql-gateway#graphql-federation
Stars114
Forks46
Last commit2 years ago
Dis4IRC
Dis4IRCKotlin

A modern bidirectional bridge that connects Discord servers with IRC networks, enabling seamless communication between both platforms.

#discord-bridge#kittehircclientlib#java
Stars113
Forks20
Last commit2 months ago
Robot Scouter
Robot ScouterKotlin

An open-source Android app for easy, efficient, and collaborative FIRST robotics competition scouting.

#robotics#spreadsheet-export#team-collaboration
Stars110
Forks41
Last commit3 years ago
ArcChartView
ArcChartViewKotlin

An Android library for drawing customizable arc charts to visualize statistics, ratings, or any segmented data.

#rating-system#hacktoberfest#chart
Stars109
Forks27
Last commit5 years ago
NoPermission
NoPermissionJava

A lightweight Android library for handling runtime permissions with a single class.

#android#java#android-library
Stars107
Forks17
Last commit4 years ago
odex-patcher
odex-patcherKotlin

A tool for executing arbitrary code on Android by patching OAT files while preserving the original app signature.

#mobile-security#odex#vdex-patcher
Stars106
Forks20
Last commit2 years ago
Game of Life
Game of LifeJava

An Android app implementing Conway's Game of Life with customizable rules, presets, and an interactive board.

#simulation#open-source#educational
Stars105
Forks59
Last commit3 years ago
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