core

2019-04-20

The core of Kweb, responsible for HTTP server and browser interaction

by kwebio

komprehensions

2019-04-16

Do comprehensions for Kotlin and 3rd party libraries [STABLE]

by pakoito

kaml

2019-04-15

YAML support for kotlinx.serialization

by charleskorn

sqldelight

2019-04-14

Generates typesafe Kotlin APIs from SQL

by square

kmongo

2019-04-11

KMongo - a Kotlin toolkit for Mongo

by litote

graphql-kotlin

2019-04-11

Code-only GraphQL schema generation for Kotlin

by ExpediaDotCom

keystorecompat

2019-04-10

develop

by kotomisak

koin-android

2019-04-10

by ekito

koin

2019-04-10

KOIN - a pragmatic lightweight dependency injection framework for Kotlin

by ekito

exposed

2019-04-05

Kotlin SQL Framework

by jetbrains

kotliquery

2019-04-02

A handy Database access library in Kotlin

by seratch

kotlin-logging

2019-04-02

Lightweight logging framework for Kotlin. A convenient and performant logging library wrapping slf4j with Kotlin extensions

by microutils

kotpref

2019-03-30

Kotpref - Android SharedPreferences delegation library for Kotlin

by chibatching

vertx-lang-kotlin

2019-03-30

Vert.x for Kotlin

by vert-x3

RichUtilsKt

2019-03-26

Advancement Utils for Android Developer written in Kotlin

by WindSekirun

mockk

2019-03-25

mocking library for Kotlin

by mockk

kluent

2019-03-24

Fluent Assertion-Library for Kotlin

by markusamshove

stepper-touch

2019-03-23

Stepper Touch for Android based on MaterialUp submission

by danielmartinus

dokka

2019-03-19

Documentation Engine for Kotlin

by kotlin

krangl

2019-03-19

krangl is a {K}otlin DSL for data w{rangl}ing

by holgerbrandl

fxgl

2019-03-17

Java / JavaFX / Kotlin Game Library (Engine)

by almasb

ktlint

2019-03-11

An anti-bikeshedding Kotlin linter with built-in formatter

by shyiko

cfg4k

2019-03-05

Flexible and easy to use config library written in kotlin

by jdiazcano

reduks

2019-03-05

A "batteries included" port of Reduxjs for Kotlin+Android

by beyondeye

tekniq

2019-03-05

A framework designed around Kotlin providing a full-featured HTTP Framework, Restful HTTP Client, JDBC DSL, Loading Cache, Configurations, Validations, and more

by sepatel

uno-sdk

2019-02-27

UNofficial Opengl SDK

by kotlin-graphics

glm

2019-02-26

jvm glm

by kotlin-graphics

kotlin-unsigned

2019-02-25

unsigned support for Kotlin via boxed types and unsigned operators

by kotlin-graphics

kotlin-frontend-plugin

2019-02-20

Gradle Kotlin (http -//kotlinlang.org) plugin for frontend development

by kotlin

Snail-Kotlin

2019-02-19

An observables framework for Kotlin

by UrbanCompass

result

2019-02-15

The modelling for success/failure of operations in Kotlin

by kittinunf

harmonica

2019-02-10

Kotlin Database Migration Tool. This tool makes it really easy to create table, index, add columns, and so on, with Kotlin DSL.

by KenjiOhtsuka

klaxon

2019-02-09

A JSON parser for Kotlin

by cbeust

ktx

2019-02-05

LibKTX - Kotlin extensions for LibGDX games and applications

by czyzby

fuel

2019-01-28

The easiest HTTP networking library for Kotlin/Android

by kittinunf

gremlin-kotlin-ogm

2019-01-26

An Object Graph Mapping Library for Kotlin and Gremlin

by pm-dev

vavr-kotlin

2019-01-23

Vavr integration for Kotlin

by vavr-io

baleen

2019-01-21

Library for Validating Legacy Data

by ShopRunner

koda-time

2019-01-12

Joda Time and Java 8 Time Extensions for Kotlin

by debop

hamkrest

2019-01-06

Hamcrest for Kotlin

by npryce

k4kotlin

2019-01-04

A sweet, small set of Kotlin functions to reduce your android boilerplate code

by kirtan403

tornadofx

2018-12-28

Lightweight JavaFX Framework for Kotlin

by edvin

kotlinx.html

2018-12-19

Kotlin DSL for HTML

by kotlin

jackson-module-kotlin

2018-12-16

Module that adds support for serialization/deserialization of Kotlin (http -//kotlinlang.org) classes and data classes.

by fasterxml

animated-stars-android

2018-12-13

Draw animated stars on Android view canvas - written in Kotlin

by sofakingforever

summer

2018-12-04

Lightweight Jetty/JDBC wrapper library inspired by SparkJava and MyBatis with DI and Testing support for Kotlin

by welvet

kovert

2018-11-15

The invisible REST and web framework

by kohesive

klutter

2018-11-15

A mix of random small libraries for Kotlin, the smallest reside here until big enough for their own repository.

by kohesive

anko

2018-11-09

Pleasant Android application development

by kotlin

config4k

2018-11-04

A Kotlin wrapper for Typesafe Config

by config4k

detekt

2018-11-03

Static code analysis for Kotlin

by arturbosch

quasar

2018-11-02

Fibers, Channels and Actors for the JVM

by puniverse

mapme

2018-10-25

The Android maps adapter

by trademe

time

2018-10-21

Type-safe time calculations in Kotlin, powered by generics.

by kizitonwose

asmble

2018-10-20

Compile WebAssembly to JVM and other WASM tools

by cretz

materialdrawerkt

2018-10-08

A Kotlin DSL wrapper around the mikepenz/MaterialDrawer library.

by zsmb13

aleksa

2018-10-07

Aleksa is a small framework for writing Alexa Skills in Kotlin

by phxql

spring-kotlin-coroutine

2018-09-16

Kotlin coroutine support for Spring.

by konrad-kaminski

solid-kotlin-analytics

2018-08-30

SOLID Analytics Interface for Android, written in Kotlin

by sofakingforever

repoverse-kotlin

2018-08-29

Java/Kotlin library to check against Maven for the latest version of your package

by sofakingforever

preferenceholder

2018-08-27

SharedPreference usage made fun in Kotlin

by marcinmoskala

rxkotlin-jdbc

2018-08-17

Fluent RxJava JDBC extension functions for Kotlin

by thomasnield

better-parse

2018-08-14

A nice parser combinator library for Kotlin

by h0tk3y

rxkotlin

2018-08-10

RxJava bindings for Kotlin

by reactivex

friceengine

2018-08-07

🎮 JVM game engine based on Swing/JavaFX.

by icela

Philology

2018-08-05

An easy way to dynamically replace Strings of your Android App or provide new languages Over-the-air without needed to publish a new release on Google Play.

by JcMinarro

activitystarter

2018-07-21

Simple Android Library, that provides easy way to start the Activities with arguments.

by marcinmoskala

timberkt

2018-06-23

Easy Android logging with Kotlin and Timber

by ajalt

mockito-kotlin

2018-06-21

Using Mockito with Kotlin

by nhaarman

konfig

2018-06-20

Simple config properties API for Kotlin

by npryce

kuery

2018-06-08

Strongly typed SQL in Kotlin

by x2bool

mapdb

2018-05-28

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

by jankotek

kottpd

2018-05-27

REST framework written in pure Kotlin

by gimlet2

konfetti

2018-05-23

Celebrate more with this lightweight confetti particle system 🎊

by danielmartinus

android-drawable-dsl

2018-05-23

DSL for constructing the drawables in Kotlin instead of in XML

by infotech-group

kotlin-argparser

2018-05-09

Easy to use and concise yet powerful and robust command line argument parsing for Kotlin

by xenomachina

paperparcel

2018-05-01

Auto-generate the fastest possible Parcelable implementations for Java and Kotlin

by grandstaish

MaterialTimelineView

2018-04-07

With MaterialTimelineView you can easily create a material looking timeline.

by hypeapps

assertk

2018-04-01

assertions for kotlin inspired by assertj

by willowtreeapps

kopper

2018-03-30

A simple Kotlin option parser

by jimschubert

requery

2018-03-26

requery - modern SQL based query & persistence for Java / Kotlin / Android

by requery

chrome-reactive-kotlin

2018-03-01

Headless Chrome DevTools Protocol Client (RxJava2 + Kotlin)

by wendigo

kbinding

2018-02-24

Android MVVM framework write in kotlin, develop Android has never been so fun.

by bennywang

kotlin-jpa-specification-dsl

2018-02-21

This library provides a fluent DSL for querying spring data JPA repositories using spring data Specifications (i.e. the JPA Criteria API), without boilerplate code or a generated metamodel.

by consoleau

kassava

2018-02-20

This library provides some useful kotlin extension functions for implementing toString() and equals() without all of the boilerplate.

by consoleau

keplin

2018-02-20

Secure Kotlin scripting and binary lambda-scripts

by kohesive

solr-undertow

2018-02-20

Solr / SolrCloud running in high performance server - tiny, fast startup, simple to configure, easy deployment without an application server.

by kohesive

kaconf

2018-02-18

KickAss Configuration. An annotation-based configuration system for Java and Kotlin

by mariomac

kandroid

2018-02-08

Kotlin library for Android

by pawegio

moshi-pristine-models

2018-02-03

Moshi add-on to programmatically define mapping between models & JSON

by jayrave

korui

2018-01-29

Portable User Interfaces for Kotlin for JVM, Android and HTML5

by soywiz

koma

2018-01-23

A scientific computing library for Kotlin. https -//kyonifer.github.io/koma

by kyonifer

korio

2018-01-18

Korio - Kotlin cORoutines I/O - Virtual File System + Async/Sync Streams + Async TCP Client/Server + WebSockets for Multiplatform Kotlin 1.3

by soywiz

jtransc

2018-01-18

Convert your Java, Kotlin and Scala code into JavaScript, C++, D, C#, PHP, AS3, Dart and Haxe and run it everywhere. Also use JVM code in your favourite language as a library.

by jtransc

atrium

2018-01-15

An assertion library for Kotlin

by robstoll

komputation

2018-01-15

Komputation is a neural network framework for the Java Virtual Machine written in Kotlin and CUDA C.

by sekwiatkowski

korim

2018-01-11

Korim - Kotlin cORoutines IMaging utilities for JVM, JS, Native and Common

by soywiz

funktionale

2017-11-29

Functional constructs for Kotlin

by marioariasc

lastadapter

2017-11-28

Don't write a RecyclerView adapter again. Not even a ViewHolder!

by nitrico

staticlog

2017-11-27

StaticLog - super lightweight static logging for Kotlin, Java and Android

by jupf

krawler

2017-11-26

A web crawling framework written in Kotlin

by brianmadden

kotlinx.coroutines

2017-10-23

Library support for Kotlin coroutines

by kotlin

konsent

2017-10-13

An acceptance test library for Kotlin

by dmcg

kotlintest

2017-10-09

Powerful, elegant and flexible Kotlin test framework

by kotlintest

kodando

2017-09-30

Kotlin bindings for JS libraries.

by danfma

ktor

2017-09-25

Framework for quickly creating connected applications in Kotlin with minimal effort

by kotlin

ext4klaxon

2017-09-22

Type Extensions for Klaxon (Kotlin JSON library)

by fboldog

kotterknife

2017-09-21

View "injection" library for Android.

by jakewharton

spek

2017-09-21

A specification framework for Kotlin

by jetbrains

kotlin-koi

2017-09-05

Koi, a lightweight kotlin library for Android Development.

by mcxiaoke

observableflow

2017-08-27

Functional Constructs for Databinding + Kotlin + RxJava

by rakshakhegde

hexagon

2017-08-16

Hexagon is a microservices library written in Kotlin. Its purpose is to ease the building of services (Web applications, APIs or queue consumers) that run inside a cloud platform

by jaguililla

NoiseView

2017-08-16

Android library written in kotlin that add a noise effect to image.

by hypeapps

aspen

2017-08-11

Aspen is a simple test runner for Kotlin that allows you to write tests using your own DSL.

by dam5s

kapsule

2017-08-10

Minimalist dependency injection library for Kotlin.

by traversals

kwery

2017-08-05

Kwery is an SQL library for Kotlin

by andrewoma

kodein

2017-07-28

3

by salomonbrys

kodeinject

2017-07-21

⚙️ Constructor dependency injection for Kodein.

by kailan

strukt

2017-07-18

C-style structs on the JVM!

by jire

kotlin-statistics

2017-07-08

Idiomatic statistical operators for Kotlin

by thomasnield

fakeit

2017-07-03

The Kotlin fake data generator library!

by moove-it

spark-kotlin

2017-05-30

A Spark DSL in idiomatic kotlin // dependency - com.sparkjava -spark-kotlin -1.0.0-alpha

by perwendel

Mystique

2017-05-30

💡🚀⭐️ A generalized adapter for RecyclerView on Android which makes it easy to add heterogeneous items to a list

by rahulchowdhury

debug-bottle

2017-05-29

🍼Debug Bottle is an Android runtime debug / develop tools written using kotlin language.

by kiruto

khronos

2017-05-18

An intuitive Date extensions in Kotlin.

by hotchemi

kotlindiscretemathtoolkit

2017-05-08

Set of extensions for Kotlin that provides Discrete math functionalities

by marcinmoskala

toybricks

2017-04-30

Android Library that provide simpler way to achieve modularity

by snowdreamframework

falkon

2017-04-27

Clean & simple API to talk with the database (for Android & Kotlin)

by jayrave

anvil

2017-03-28

Minimal UI library for Android inspired by React

by zserge

kraph

2017-03-24

GraphQL request string builder written in Kotlin

by taskworld

kotlinx.support

2017-03-21

Extension and top-level functions to use JDK7/JDK8 features in Kotlin 1.0

by kotlin

kotlinpreferences

2017-03-17

Android Library to make SharedPreferences usage easier.

by marcinmoskala

asyncawait

2017-03-09

async/await for Android built upon coroutines introduced in Kotlin 1.1

by metalabdesign

kotlin-monads

2017-03-04

Monads for Kotlin

by h0tk3y

rxkotlinfx

2017-02-26

Kotlin extensions to the RxJavaFX framework

by thomasnield

aza-kotlin-css

2017-01-29

Kotlin DSL for CSS

by olegcherr

kotson

2017-01-17

Kotlin bindings for JSON manipulation via Gson

by salomonbrys

k-sera

2017-01-04

A JMock wrapper for Kotlin

by dmcg

rxaerospike

2016-12-18

RxJava2 wrapper for aerospike-client-java

by ganet

glimpse-framework-android

2016-10-28

OpenGL made simple

by glimpseframework

groothy

2016-09-30

Kotlin implementation of Groovy Truth

by joelw-s

expekt

2016-09-20

BDD assertion library for Kotlin

by winterbe

krouter

2016-09-18

A lightweight Android activity router

by denisidoro

kton

2016-07-29

Object notation in pure Kotlin!

by jire

kotlin-times

2016-07-22

Kotlin reinvented.

by czyzby

ktunits

2016-07-22

Simple unit conversion library for Kotlin

by sargunster

cakeparse

2016-07-22

Simple parser combinator library for Kotlin

by sargunster

kovenant

2016-06-30

Kovenant. Promises for Kotlin.

by mplatvoet

progress

2016-06-30

Progress for Kotlin

by mplatvoet

khttp

2016-06-04

Kotlin HTTP requests library. Similar to Python requests.

by jkcclemens

injekt

2016-05-27

Dependency Injection for Kotlin

by kohesive

klenses

2016-05-09

Lenses for Kotlin

by poetix

killertask

2016-02-25

Android AsyncTask wrapper library, written in Kotlin

by inaka

kotlinprimavera

2016-02-23

Spring support libraries for Kotlin

by marioariasc

kotlin-nosql

2016-02-15

NoSQL database query and access library for Kotlin

by cheptsov

kotlinx.reflect.lite

2016-02-15

Lightweight library allowing to introspect basic stuff about Kotlin symbols

by kotlin

glimpse-framework

2015-12-23

OpenGL made simple

by glimpseframework

bubble

2015-11-07

Screen orientation detector for android

by touk

kaffeine

2015-06-12

Kaffeine is a Kotlin-flavored Android library for accelerating development.

by ragunathjawahar

anvilkotlin

2015-01-01

A simple Kotlin wrapper around Anvil.

by andre-artus

bansa

2015-01-01

A state container for Java & Kotlin, inspired by Redux & Elm

by brianegan

kotlin-pluralizer

2015-01-01

☀️ Kotlin extension to pluralize and singularize strings

by cesarferreira

kotlinw

2015-01-01

A small wrapper for the Kotlin compiler that can be used to execute .kts scripts

by cypressious

balin

2015-01-01

Balin is an automation library for Kotlin. It's basically a Selenium-WebDriver wrapper inspired by Geb.

by epadronu

kanvas

2015-01-01

A truly hackable editor - simple, lightweight, understandable

by ftomassetti

kscript

2015-01-01

Scripting enhancements for Kotlin

by holgerbrandl

kotlin-loader

2015-01-01

Kotlin webpack loader

by huston007

nppextension

2015-01-01

😃 Language extension for notepad++

by ice1000

jclasslib

2015-01-01

jclasslib bytecode viewer is a tool that visualizes all aspects of compiled Java class files and the contained bytecode.

by ingokegel

assimp

2015-01-01

JVM Open Asset Import Library (Assimp)

by java-graphics

yested_fw

2015-01-01

199

by jean79

intellij-community

2015-01-01

IntelliJ IDEA Community Edition

by jetbrains

gli

2015-01-01

jvm gli

by kotlin-graphics

openvr

2015-01-01

OpenVR SDK

by kotlin-graphics

ovr

2015-01-01

4

by kotlin-graphics

ts2kt

2015-01-01

Converter of TypeScript definition files to Kotlin external declarations

by kotlin

pooled-client

2015-01-01

Kotlin 1.1 async clients for sync protocols - Mysql, Postgres, Thrift, Http

by kotlinports

kotlin-cli

2015-01-01

Kotlin-CLI - command line interface options parser for Kotlin

by leprosus

kotlin-hashids

2015-01-01

Kotlin hashids hash function

by leprosus

kbuilders

2015-01-01

by levelmoney

kotlin-jupyter

2015-01-01

Kotlin kernel for Jupyter/iPython

by ligee

kotlin-core

2015-01-01

104

by lightningkite

fiberglass

2015-01-01

Easy lightweight SharedPreferences library for Android in Kotlin using delegated properties

by mathcamp

vscode-kotlin

2015-01-01

Kotlin language support for VS Code

by mathiasfrohlich

humanizer.jvm

2015-01-01

83

by mehdik

kotlift

2015-01-01

Kotlift is the first source-to-source language transpiler from Kotlin to Swift

by moshbit

kog

2015-01-01

🌶 A simple Kotlin web framework inspired by Clojure's Ring.

by danneu

kudens

2015-01-01

Develop browser games in Kotlin

by perses-games

pixi-native

2015-01-01

A native version of pixi

by pixijs

klogging

2015-01-01

Kotlin logging, both js and jvm

by shafirov

kotlin-js-jquery

2015-01-01

A small framework for writing client-side web-applications in Kotlin

by stangls

kara

2015-01-01

Kotlin Web Framework for the JVM

by tinymission

kotlin-vim

2015-01-01

Kotlin plugin for Vim. Featuring - syntax highlighting, basic indentation, Syntastic support

by udalov

kotlin-sublime-package

2015-01-01

Sublime Text 2 Package for Kotlin Programming Language

by vkostyukov

kxdate

2015-01-01

Kotlin extensions for Java 8 java.time API

by yole

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