Android Kotlin-programming Resources

Snail-Kotlin 🐌 A lightweight observables framework, also available in Swift Download You can download a jar from GitHub's releases page. Jitpack allp

Korim Kotlin cORoutines IMaging utilities for Multiplatform Kotlin Full Documentation: https://korlibs.soywiz.com/korim/ Use with gradle: repositories

kravis - A {k}otlin {gra}mmar for data {vis}ualization Visualizing tabular and relational data is the core of data-science. kravis implements a gramma

Hashids.kt A Kotlin class to generate YouTube-like hashes from one or many numbers. Ported from Java Hashids.java by fanweixiao (is port of javascript

Spotify Web API wrapper for Kotlin, Java, JS, and Native - Targets JVM, Android, JS (browser), Native (Desktop), and Apple tvOS/iOS. Includes a Spotify Web Playback SDK wrapper for Kotlin/JS, and a spotify-auth wrapper for Kotlin/Android.

This is the Kotlin port of OpenGL Mathematics (GLM), written by g-truc (repository), a header only C++ mathematics library for graphics software based

About Krawler is a web crawling framework written in Kotlin. It is heavily inspired by crawler4j by Yasser Ganjisaffar. The project is still very new,

ORX (OPENRNDR EXTRA) 0.4 Note that this is a yet unreleased version of ORX. The prior released version of ORX can be found in the ORX 0.3 branch. A gr

Kassava This library provides some useful kotlin extension functions for implementing toString(), equals() and hashCode() without all of the boilerpla

kotlin-monads An attempt to implement monads in Kotlin, deeply inspired by Haskell monads, but restricted within the Kotlin type system. The monad typ

kotlinx.support Provides extension and top-level functions to use JDK7/JDK8 features in Kotlin 1.0. In Kotlin 1.1+ please use the standard library art

Yested Yested is a Kotlin framework for building single-page web applications in Javascript. Important This project is no longer maintained. Please ch

SimpleDNN SimpleDNN is a machine learning lightweight open-source library written in Kotlin whose purpose is to support the development of feed-forwar

TelegramBotAPI Hello! This is a set of libraries for working with Telegram Bot API. Examples There are several things you need to do to launch example

Komprehensions Komprehensions is a library to reduce boilerplate and simplify your call chains. Rationale As your code starts getting more and more fu

NoCopy Compiler Plugin A Kotlin compiler plugin that removes the `copy` method from data classes and enables using them as value-based classes. Usage

Minutest JUnit multiplied by Kotlin Why Another Test Framework? JUnit is great for quickly writing and running tests as part of a TDD workflow, but tr

lambda-kotlin-request-router A REST request routing layer for AWS lambda handlers written in Kotlin. Goal We came up lambda-kotlin-request-router to r

koda-time Joda Time Extensions in Kotlin supply arithmetic operation (+,-,*,/) for joda-time DateTime in Kotlin language Usage val now = DateTime.

An annotation processor generates Gson TypeAdapter from Kotlin Data Classes Motivation By default, Gson uses reflection to read/write data from JSON.

kottpd Kottpd - REST framework written in pure Kotlin. It is available from maven central repository. It supports plain HTTP and secured HTTPs. d

Overview Cfg4k is a configuration library made for Kotlin in Kotlin! Features Automatic reload Interface binding Ability to handle data classes automa

kotlin-futures A collections of extension functions to make the CompletableFuture API more functional and Kotlin like. [ Table of Contents kotlin-futu

Balin Balin is a browser automation library for Kotlin. It's basically a Selenium-WebDriver wrapper inspired by Geb. Rationale Geb is a wonderful libr

KrazyKotlin is a collection of useful Kotlin Extension - inspired by SwifterSwift. More extensions are on the way. If you have any requests, create an

kotlin-unsigned Unsigned operators and boxed types (Ubyte, Uint, Ulong and Ushort) for unsigned support. To have a quick idea what this library offers

chrome-reactive-kotlin v0.7.1 chrome-reactive-kotlin is a low level Chrome DevTools Protocol client written in Kotlin and leveraging RxJava3 for easy

Asynkio : Write asynced IO/ Network calls painlessly on android ⚠️ Warning ⚠️ This library is no longer being maintained. Please make your code to use

Kotlin for LaTeX Listings Currently, I am writing my bachelor thesis with Kotlin and need to document some code in LaTeX. The lstpackage does not supp

kompile-testing A library for testing kotlinc compilation with kotlin annotation processors(kapt) which is strongly inspired by google/compile-testing

SeKurity - Kotlin powered TLS library This library provides an API for creating basic SSL/TLS connections with standard Java Secure Socket Extension,

Korui With Korui you can create your UI once, and run it in HTML5, Java AWT and Android. Support korgw If you like korgw, or want your company logo he

units-of-measure Type-safe dimensional analysis and unit conversion in Kotlin. Project Status Stable and safe for production. Building UOMs for the fi

Pi4K Pi4J Kotlin bindings. Demo Make sure to check Examples.kt. fun blink() = digitalOutput(GPIO_01) { while (true) { toggle() del

kotlin-guice Guice extensions for Kotlin. This provides extension wrappers and extension methods for providing a better Guice DSL experience from Kotl

Kds is a Data Structure library for Multiplatform Kotlin. It includes a set of optimized data structures written in Kotlin Common so they are availabl

Kotlin Multiplatform SVG DSL I had a Kotlin microservice that needed to produce a simple heatmap chart on an HTML page to a large audience very rapidl

Sekret Kotlin compiler plugin that hides data class properties in generated toString() method Motivation In 2019 Facebook and Google admitted a leakin

Elmyr Elmyr is a Kotlin library providing tools to generate “random” values, specifically useful for tests Being an adept of testing code, I write a l

Scientist A kotlin library for carefully refactoring critical paths in your application. This library is inspired by the ruby gem scientist. How do I

kolor A library to print colored strings, with Kotlin. Example Foreground: println("We all live in a yellow submarine".yellow()) // Or println(Kolor.f

ktfmt-gradle 🧹 🐘 A wrapper to apply ktfmt to your Gradle builds, and reformat you Kotlin source code like a glimpse. How to use 👣 ktfmt-gradle is d

SeleniumBuilder DSL for Selenium. Provide a possibility to write tests in Kotlin type-safe builders style Sample driver(ChromeDriver()) { get("ht

KTON Object notation in pure Kotlin! Gradle compile 'org.jire.kton:KTON:1.0.1' Maven dependency groupIdorg.jire.kton/groupId artifactId

detekt-hint (Attention: Looking for developers) Detection of design principle violations in Kotlin added as comments on pull requests. Getting started

kotlin-cli Kotlin-CLI - command line option parsing suite for Kotlin Usage import com.evalab.core.cli.Command import com.evalab.core.cli.exception.Opt

Saber News App sample project to explain how to build solid, clean architected App using MVVM and repository architecture Techniques Kotlin Clean arch

Spring-Boot-Kotlin-Sample Spring Boot built using Kotlin, H2, Postgres, Hibernate and JPA Getting Started Reference Documentation For further referenc

Neon Info This project is STG mobile game made in Android. It is a fun project I

Bigger Number App Vaidansh Bhardwaj Bigger Number App (aka "Cal Admission Test")

Notice Manual firmware downloads and downloading from the firmware history featu

CatReflect 这是一个可以极大简化 Java 反射的复杂操作的工具，适用于 Kotlin & Java This is a tool that grea

App Architecture-Presistence This is the Sleep tracker app for lesson 6 of the U

Words Android App using Kotlin, MVVM, ViewModel, LiveData, Coroutines, Room and

Questionnaire Play Store Link Download APK Questionnaire is an Android applicati

XCTV Player An awesome Microsoft xCloud player for Google Chromecast with Google

Arquitetura de Microserviços Instruções Criando rede no docker: docker network c

MVVM Android Studio Kotlin Project Dog Images This project implement: MVVM Retro

SmartLens SmartLens uses Google's ML Kit for Barcode scanning, Face recognition, Text recognition, and Image labeling. 📷 Screen Shots 🔥 Features It

slack-kotlin-heroku-example Slack app example for Heroku deployment, written in Kotlin, using Bolt framework. You need to configure your Slack app to

advent-of-code-2021 Welcome to the Advent of Code1 Kotlin project created by aniobistanley using the Advent of Code Kotlin Template delivered by JetBr

SayHi SayHi! is an instant messaging app that allows users to send text messages to other people using the app 📷 Screen Shots 🔥 Features OTP Verific

PrimeCalendar ⚡ PrimeCalendar provides all the java.util.Calendar functionalities for Persian, Hijri, and Japanese dates. PrimeCalendar can be used in

klenses Lenses for Kotlin. Lenses are property references with some extra abilities: they can also be used to create a copy of an object with the prop

kog A simple, experimental Kotlin web framework inspired by Clojure's Ring. A kog application is a function that takes a Request and returns a Respons

Arbitrater Arbitrater is a library for creating arbitrary instances of classes by reflection, for example to use in testing. It was designed primarily

kotlin-pluralizer kotlin extension to pluralize and singularize strings Show some love Usage Pluralization: "person".pluralize() # = "people"

KAConf 2016-2020 Mario Macías KickAss Configuration v0.9.0 is an Annotation-based configuration system inspired in the wonderful Spring Boot. Its stro

KMQTT KMQTT is a Kotlin Multiplatform MQTT 3.1.1/5.0 Broker, with the objective of targeting the most possible build targets. Features ✖️ = TODO ✔️ =

NonEmptyCollections Making the world a little more type-safe 🌍 🏆 Reduce the need for emptiness checks and reduce unsafe APIs with NonEmptyCollection

ARFaceDetection Meet ARFaceDetection by Cleveroad We’re glad to share with you our latest AR-based library for Android. It’s designed with ARCore tech

Katlib Successor of Ktoolz. Collection of Kotlin extension functions and utilities. This library does not have any dependency. Using Katlib Katlib is

Kasm is a runtime assembler library for Kotlin. It allows to assemble and execute machine code at runtime.

Aspen is a JUnit runner for Kotlin. It's inspired by Ruby's RSpec syntax, the default DSL has a lot more restrictions, but you can create your own DSL

Zeko SQL Builder Zeko SQL Builder is a high-performance lightweight SQL library written for Kotlin language. It is designed to be flexible, portable,

Pair Adjacent Violators Overview An implementation of the Pair Adjacent Violators algorithm for isotonic regression. Written in Kotlin but usable from

Aleksa Aleksa is a small framework for writing Alexa Skills in Kotlin. Warning This framework uses an old version of the Alexa SDK - skills built with

This is the Kotlin port of the original OpenGL Image (GLI), written by g-truc (repository), a header only C++ image library for graphics software. GLI

Kwik Property-based testing library for Kotlin. Main features: Test-engine agnostic Multiplatform No reflection Configurable built-in generators Easy

learn OpenGL Kotlin port of the tutorial of Joey De Vries: "Learn OpenGL" (website and repository) How to get it running: clone synchronize Gradle run

You might have thought that Kotlin cannot get any better - but now you have found this library.

Thelema Engine Thelema is multiplatform 3d graphics engine on Kotlin. It was based on libGDX sources and completely redesigned. Download Enter your cr

tekniq A framework designed around Kotlin. Modules include tekniq-core (click for more info) A suite of tools that have no dependencies on other libra

kbson What is this? This adapter adds BSON support to kotlinx.serialization. BSON types supported: Double String Array Binary UUID ObjectId Boolean Da

JVM OpenVR Wrapper (synchronized with 1.2.10) OpenVR SDK This is a kotlin wrapper of OpenVR, which is an API and runtime that allows access to VR hard

Litho Kotlin Kotlin DSL for Litho Component.Builders. Usage Import Copy Litho.kt into your project under com/makeramen/litho. Add any definitions for

Kopper A simple Kotlin option parser kopper is the simple Kotlin option parser library. kopper-typed extends the kopper library to support delegated p

kotlin-jsonq A simple Kotlin library to Query over JSON Data Installation Gradle, allprojects { repositories { ... maven { url "ht

krontab Library was created to give oppotunity to launch some things from time to time according to some schedule in runtime of applications. How to u

keplin Extended Kotlin Scripting Gradle /Maven With Kotlin 1.2.+ in your classpath, add: artifact GAV keplin-core uy.kohesive.keplin:keplin-core kepli

Stateful for Kotlin State Machine Construction Kit for Kotlin This is Stateful ported to JVM. I could have re-implemented this in Java but there would

kjob A coroutine based persistent background (cron) scheduler written in Kotlin. Features Persist scheduled jobs (e.g. mongoDB) Cron jobs Nice DSL for

sponge - A website crawler and links downloader command line tool How to build and run it? You will need a Java JDK 8+ and maven 3.3.9 or above. mvn c

KFormula ภาษาไทย Mathematical expression engine written in Kotlin, running on JVM. With KFormula, you can parse simple mathematical expression text an

kotlin Starter project for Kotlin. quick preview This project contains: A simple hello world application with an optional name parameter Integration t

Konsent An acceptance testing library for Kotlin. KonsentExampleTests shows how to write a test. @RunWith(Konsent::class) @Preamble( "As a develop

KtUnits Simple unit conversion library for Kotlin. Usage Conversion You can convert units easily: fun foo() { val m = 100.minutes.toMilliseconds //

JOGL2D Zero-overhead 2D rendering library for JOGL This library is licensed under Apache License 2.0. JOGL2D is an open source Kotlin library that pro

fluid-json A JSON library written in pure Kotlin. Table of Contents Installation Basic Usage Annotation Customization Examples Manual Coding Error Han

TestIt While TDD is a better approach for development, many projects don't practice it and end up with low test coverage. This project is here to help