Awesome Kotlin
- API & REST
- Android
- Animation & Transition
- Audio & Video
- Barcode & QR Code
- Build Tools
- CMS
- Calendar
- Carousel & Slider
- Chart
- Clipboard Handling
- Compression & Archiving
- Configuration
- Custom Form Controls & Widgets
- Data Science
- Data Structures
- Database
- Date & Time
- Debugging & Inspection
- Dependency Injection
- Development Tools
- Documentation Tools
- Download
- Drag & Drop
- File Handling
- File Uploading
- Form Serialization
- Form Validation
- Frameworks & Libraries
- Frontend Frameworks & Boilerplates
- Full-text Search
- Functional Programming
- Game Development
- General Utilities
- Generator Libraries
- GraphQL Clients & Tools
- Grid & Layout
- HTTP
- Icon & Font
- Image Gallery
- Image Processing
- JSON & Data Manipulation
- Keyboard Input & Shortcuts
- Keyboard Navigation
- Layout & Responsive Design
- Lazy Loading & Performance
- Loading Indicators & Progress Bars
- Logging & Debugging
- Machine Learning & AI
- Mapping & Geospatial
- Markdown & Text Formatting
- Messaging & Chat
- Miscellaneous
- Modal & Dialog
- Multimedia
- Navigation & Menu
- Networking
- Notifications & Alerts
- Number & Math
- ORM
- Offline & Service Worker
- Package Managers
- Pan & Zoom
- Performance Benchmarking
- Permissions & User Roles
- Profiling & Benchmarking
- QA Tools
- Reactive & Coroutines
- Real-time
- Rich Text Editors
- Routing
- SDKs & Third-Party Services
- SQL
- Scrollbar & Custom Scrolling
- Security & Encryption
- Spreadsheet
- Static Analysis
- String Manipulation
- Syntax Highlighting
- Testing
- Tooltip
- Type Checking
- Typography & Font
- UI Components
- Voice Command
- Web
- i18n & l10n
Awesome Kotlin
API & REST
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A minimalist web framework for building REST APIs in Kotlin/Java.
Android
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Make a cool intro for your Android app.
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⚡️A highly customizable, powerful and easy-to-use alerting library for Android.
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💪 Rich Android Path. 🤡 Draw as you want. 🎉 Animate much as you can.
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Kickstarter for Android. Bring new ideas to life, anywhere.
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Pleasant Android application development
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Flexbox for Android
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gRPC and protocol buffers for Android, Kotlin, and Java.
Animation & Transition
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Android-Iconics - Use any icon font, or vector (.svg) as drawable in your application.
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Make a cool intro for your Android app.
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🎈 Modernized and sophisticated tooltips, fully customizable with an arrow and animations for Android.
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Celebrate more with this lightweight confetti particle system 🎊
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💪 Rich Android Path. 🤡 Draw as you want. 🎉 Animate much as you can.
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A lightweight Android material bottom navigation bar library
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Android Library that lights items for tutorials or walk-throughs etc...
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Android Timeline View is used to display views like Tracking of shipment/order, steppers etc.
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Library containing common animations needed for transforming ViewPager scrolling for Android v13+.
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Nested popup menus with smooth height animations for Android
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An Android Animation library which easily add itemanimator to RecyclerView items.
Audio & Video
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Android Music Player
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A simple, rational music player for android
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Kotlin Multiplatform Music Downloader, Supports Spotify / Gaana / Youtube Music / Jio Saavn / SoundCloud. NOTE: BEING REWRITTEN, SO STAY TUNED.
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Minimalistic audiobook player
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YouTube Player library for Android and Chromecast, stable and customizable.
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🙏 Android Runtime Permissions made easy and compact, for Kotlin and AndroidX. With coroutines support!
Barcode & QR Code
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An awesome QR code generator for Android.
Build Tools
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API documentation engine for Kotlin
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Kotlin DSL for HTML
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Lightweight library allowing to introspect basic stuff about Kotlin symbols
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Kotlin multiplatform / multi-format serialization
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Framework for quickly creating connected applications in Kotlin with minimal effort
CMS
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Lightweight JavaFX Framework for Kotlin
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ControlsFX Builder extensions and utilities for TornadoFX
Calendar
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A highly customizable calendar view and compose library for Android.
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A simple calendar with events, tasks, customizable colors, widgets and no ads.
Carousel & Slider
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🔥 Worked with ViewPager and ViewPager2,support multiple slider styles and multiple slide mode.This repo was split from BannerViewPager-
Chart
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📈📊⛰⛰⛰An elegant modern declarative data visualization chart framework for Android . Extremely powerful, supports line, spline, area, areaspline, column, bar, pie, scatter, angular gauges, arearange, areasplinerange, columnrange, bubble, box plot, error bars, funnel, waterfall and polar chart types.极其精美而又强大的 Android 数据可视化图表框架,支持柱状图、条形图、折线图、曲线图、折线填充图、曲线填充图、气泡图、扇形图、环形图、散点图、雷达图、混合图等各种类型的多达几十种的信息图图表,完全满足工作所需.
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Android Library to rapidly develop attractive and insightful charts in android applications.
Clipboard Handling
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XClipper is a clipboard manager for Windows & Android which helps to track clipboard activities and makes it easier to interact with them.
Compression & Archiving
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Sample projects for Ktor
Configuration
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A Kotlin wrapper for Typesafe Config
Custom Form Controls & Widgets
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Photo picker library for android. Let's you pick photos directly from files, or navigate to camera or gallery.
Data Science
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Structured data processing in Kotlin
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Kotlin kernel for Jupyter/IPython
Data Structures
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krangl is a {K}otlin DSL for data w{rangl}ing
Database
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A blazing fast, powerful, and very simple ORM android database library that writes database code for you.
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Java & Kotlin Async DataBase Driver for MySQL and PostgreSQL written in Kotlin
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SQLDelight - Generates typesafe Kotlin APIs from SQL
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Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
Date & Time
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🚦 Cicerone is a lightweight library that makes the navigation in an Android app easy.
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Type-safe time calculations in Kotlin, powered by generics.
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KotlinX multiplatform date/time library
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Easy Android logging with Kotlin and Timber
Debugging & Inspection
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🍼Debug Bottle is an Android runtime debug / develop tools written using kotlin language.
Dependency Injection
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Painless Kotlin Dependency Injection
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RxJava bindings for Kotlin
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Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform
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KotlinX multiplatform date/time library
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A modern JSON library for Kotlin and Java.
Development Tools
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Pleasant Android application development
Documentation Tools
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API documentation engine for Kotlin
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Multiplatform text styling for Kotlin command-line applications
Download
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A multi-threaded download tool written with RxJava and Kotlin
Drag & Drop
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DraggableView is an Android library to make floating draggable view easily using extensions on Kotlin & provided utils class on Java
File Handling
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Λrrow - Functional companion to Kotlin's Standard Library
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Kwery is an SQL library for Kotlin
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A modern I/O library for Android, Java, and Kotlin Multiplatform.
File Uploading
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Photopicker and document picker for android
Form Serialization
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YAML support for kotlinx.serialization
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Lightweight JavaFX Framework for Kotlin
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ControlsFX Builder extensions and utilities for TornadoFX
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TornadoFX Plugin for IntelliJ IDEA
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Samples and best practices for TornadoFX
Form Validation
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✔️ A text and input validation library in Kotlin for Android
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🤖 An easy to use form validator for Kotlin & Android.
Frameworks & Libraries
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Kotlin SQL Framework
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Kotlin Coroutines Flow binding APIs for Android's platform and unbundled UI widgets, inspired by RxBinding.
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RxJava bindings for Kotlin
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Kotlin wrappers for popular JavaScript libraries
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😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.
Frontend Frameworks & Boilerplates
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Companion App for the book
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Kotlin wrappers for popular JavaScript libraries
Full-text Search
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⚡️ A fully-featured and blazing-fast Kotlin/Android API client to interact with Algolia.
Functional Programming
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The modelling for success/failure of operations in Kotlin and KMM (Kotlin Multiplatform Mobile)
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A multiplatform assertion library for Kotlin
Game Development
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Java / JavaFX / Kotlin Game Library (Engine)
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KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
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Zircon is an extensible and user-friendly, multiplatform tile engine.
General Utilities
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Kotlin multiplatform I/O library
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Immutable persistent collections for Kotlin
Generator Libraries
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A Kotlin API for generating .kt source files.
GraphQL Clients & Tools
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GraphQL for Java with Spring Boot made easy.
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Libraries for running GraphQL in Kotlin
Grid & Layout
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A Collection on all Jetpack compose UI elements, Layouts, Widgets and Demo screens to see it's potential
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A layout manager for the RecyclerView with interchangeable linear, grid, and staggered displays of views, all with configurable section headers including the sticky variety as specified in the material design docs.
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Layouts with lambdas 😎
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Flexbox for Android
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🔥 Worked with ViewPager and ViewPager2,support multiple slider styles and multiple slide mode.This repo was split from BannerViewPager-
HTTP
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🔎 An HTTP inspector for Android & OkHTTP (like Charles but on device)
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The easiest HTTP networking library for Kotlin/Android
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🔥🔥🔥 Based on OkHttp encapsulation, support Kotlin Coroutines、RxJava2、RxJava3; 30s to get started.
Icon & Font
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Android App to view passes
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Libre Survival Manual for Android with offline in mind
Image Gallery
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Library for picking pictures from gallery or camera
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Android ImageView that handles animated GIF images
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📸Image Picker for Android, Pick an image from Gallery or Capture a new image with Camera
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A Photo Editor library with simple, easy support for image editing using paints,text,filters,emoji and Sticker like stories.
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Image Picker for Android 🤖
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A simple and customizable Android full-screen image viewer 一个简单且可自定义的Android全屏图像浏览器
Image Processing
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An android image compression library.
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jvm gli
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jvm glm
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Bloat-free Immediate Mode Graphical User interface for JVM with minimal dependencies (rewrite of dear imgui)
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unsigned support for Kotlin via boxed types and unsigned operators
JSON & Data Manipulation
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A JSON parser for Kotlin
Keyboard Input & Shortcuts
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Yet another material bottom bar library for Android
Keyboard Navigation
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An Android Animation library which easily add itemanimator to RecyclerView items.
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🚀 An easy-to-use, extensible Kotlin DSL for setting up and manipulating RecyclerViews.
Layout & Responsive Design
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Sample for MVVM using Kotlin
Lazy Loading & Performance
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The Kotlin Programming Language.
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A logger with a small, extensible API which provides utility on top of Android's normal Log class.
Loading Indicators & Progress Bars
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Create circular ProgressBar in Android ⭕
Logging & Debugging
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Uber's cross-platform mobile architecture framework.
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Application Crash Reports for Android
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A memory leak detection library for Android.
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A simple DI API for Android / Java
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A logger with a small, extensible API which provides utility on top of Android's normal Log class.
Machine Learning & AI
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Idiomatic statistical operators for Kotlin
Mapping & Geospatial
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🚦 Cicerone is a lightweight library that makes the navigation in an Android app easy.
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ArcGIS Runtime SDK for Android Toolkit
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Interactive, thoroughly customizable maps in native Android powered by vector tiles and OpenGL.
Markdown & Text Formatting
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Markdown parser written in kotlin
Messaging & Chat
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Legacy mobile Rocket.Chat client in Kotlin for Android
Miscellaneous
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Kotlin external declarations for using the Node.js API from Kotlin code targeting JavaScript
Modal & Dialog
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Android native BottomSheet on steroids 💪
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🙏 Android Runtime Permissions made easy and compact, for Kotlin and AndroidX. With coroutines support!
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🚕 An Android & Kotlin library for placing and manipulating Contextual Action Bars in your UI.
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🚀 An easy-to-use, extensible Kotlin DSL for setting up and manipulating RecyclerViews.
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🤖 An easy to use form validator for Kotlin & Android.
Multimedia
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Create circular ImageView in Android in the simplest way possible
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GitLab client for Android. Mirror of project on GitLab
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Yet another material bottom bar library for Android
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😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.
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A powerful image downloading and caching library for Android
Navigation & Menu
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CircleMenu is a simple, elegant menu with a circular layout.
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You can easily add awesome animated context menu to your app.
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Nested popup menus with smooth height animations for Android
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Sketch is a powerful and comprehensive image load library on Android, in addition to the basic functions, it also supports Jetpack Compose, GIF, SVG, video thumbnails, gesture zoom, huge images sampling, ExifInterface and other functions. Sketch 是 Android 上的一个强大且全面的图片加载库，除了基础功能外，还支持 Jetpack Compose、GIF、SVG、视频缩略图、手势缩放、超大图采样、ExifInterface 等功能。
Networking
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gRPC and protocol buffers for Android, Kotlin, and Java.
Notifications & Alerts
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An Android Alerting Library
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⚡️A highly customizable, powerful and easy-to-use alerting library for Android.
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Android native BottomSheet on steroids 💪
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Easy Android logging with Kotlin and Timber
Number & Math
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Idiomatic statistical operators for Kotlin
ORM
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A lightweight ORM framework for Kotlin with strong-typed SQL DSL and sequence APIs.
Offline & Service Worker
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A Retrofit inspired WebSocket client for Kotlin, Java, and Android
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A Retrofit 2 Converter.Factory for Kotlin serialization.
Package Managers
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KaMP Kit by Touchlab. A collection of code & tools designed to get your mobile team started quickly w/Kotlin Multiplatform
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Uber's cross-platform mobile architecture framework.
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Λrrow - Functional companion to Kotlin's Standard Library
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Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform
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Kotlin/Native infrastructure
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Library support for Kotlin coroutines
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Kotlin multiplatform / multi-format serialization
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Framework for quickly creating connected applications in Kotlin with minimal effort
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A modern JSON library for Kotlin and Java.
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Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
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A modern I/O library for Android, Java, and Kotlin Multiplatform.
Pan & Zoom
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Adds touch functionality to Android ImageView.
Performance Benchmarking
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Kotlin multiplatform benchmarking toolkit
Permissions & User Roles
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An open source Android library that makes handling runtime permissions extremely easy.
Profiling & Benchmarking
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Kotlin multiplatform benchmarking toolkit
QA Tools
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jvm gli
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jvm glm
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unsigned support for Kotlin via boxed types and unsigned operators
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mocking library for Kotlin
Reactive & Coroutines
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Kotlin Coroutines Flow binding APIs for Android's platform and unbundled UI widgets, inspired by RxBinding.
Real-time
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A Retrofit inspired WebSocket client for Kotlin, Java, and Android
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Sample projects for Ktor
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Vert.x for Kotlin
Rich Text Editors
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GitLab client for Android. Mirror of project on GitLab
Routing
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Library support for Kotlin coroutines
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Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
SDKs & Third-Party Services
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A memory leak detection library for Android.
SQL
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Kotlin SQL Framework
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Java & Kotlin Async DataBase Driver for MySQL and PostgreSQL written in Kotlin
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A lightweight ORM framework for Kotlin with strong-typed SQL DSL and sequence APIs.
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SQLDelight - Generates typesafe Kotlin APIs from SQL
Scrollbar & Custom Scrolling
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Android library providing a simple UI control for scrolling through RecyclerViews
Security & Encryption
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Android application compatible with ZX2C4's Pass command line application
Spreadsheet
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Kwery is an SQL library for Kotlin
Static Analysis
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Static code analysis for Kotlin
String Manipulation
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Multiplatform text styling for Kotlin command-line applications
Syntax Highlighting
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💎 Android application following best practices: Kotlin, Coroutines, JetPack, Clean Architecture, Feature Modules, Tests, MVVM, DI, Static Analysis...
Testing
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Powerful, elegant and flexible test framework for Kotlin with additional assertions, property testing and data driven testing
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Using Mockito with Kotlin
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mocking library for Kotlin
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A specification framework for Kotlin
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A small testing library for kotlinx.coroutines Flow
Tooltip
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🎈 Modernized and sophisticated tooltips, fully customizable with an arrow and animations for Android.
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Easy to use library to add tooltips to your app
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A simple Tooltip Library
Type Checking
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The Kotlin Programming Language.
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Immutable persistent collections for Kotlin
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Kotlin DSL for HTML
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Lightweight library allowing to introspect basic stuff about Kotlin symbols
Typography & Font
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Multiplatform command line interface parsing for Kotlin
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Multiplatform Kotlin color conversion and manipulation
UI Components
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Create circular ImageView in Android in the simplest way possible
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Create circular ProgressBar in Android ⭕
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A Collection on all Jetpack compose UI elements, Layouts, Widgets and Demo screens to see it's potential
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Official Jetpack Compose samples.
Voice Command
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🗣 An overlay that gets your user’s voice permission and input as text in a customizable UI
Web
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A minimalist web framework for building REST APIs in Kotlin/Java.
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The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.
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A simple and modern Java and Kotlin web framework
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Object oriented web framework for Kotlin/JS
i18n & l10n
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[Android] In-app language changing library
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Application Crash Reports for Android
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The Google I/O Android App