Top Kotlin Libraries 2025

GitHub Libraries → Kotlin

square/okhttp 46K +34

Added by sizovs added 1 month ago

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

Kotlin HTTP Clients

jetbrains/intellij-community 17K +39

Added by sizovs added 2 weeks ago

IntelliJ IDEA Community Edition & IntelliJ Platform

Kotlin IDE

jetbrains/compose-multiplatform 16K +71

Added by sizovs added 1 week ago

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

Kotlin GUI Frameworks Cross-Platform Frameworks

ktorio/ktor 13K +28

Added by sizovs added 2 weeks ago

Framework for quickly creating connected applications in Kotlin with minimal effort

Kotlin Microservices Frameworks Web Frameworks Web Servers

square/moshi 9K +14

Added by sizovs added 1 week ago

Moshi is a modern JSON library for Android, Java and Kotlin. It makes it easy to parse JSON into Java and Kotlin classes.

Java JSON Libraries Kotlin JSON Libraries

insertkoinio/koin 9K +9

Added by sizovs added 2 weeks ago

Koin - a pragmatic lightweight dependency injection framework for Kotlin.

Kotlin Dependency Injection Libraries

square/okio 8K +7

Added by sizovs added 2 weeks ago

A modern I/O library for Android, Java, and Kotlin Multiplatform.

Kotlin IO Libraries

jetbrains/exposed 8K +31

Added by sizovs added 2 weeks ago

Exposed is a lightweight SQL library / ORM on top of a JDBC driver for the Kotlin language.

Kotlin Database Libraries ORM Libraries

javalin/javalin 7K +13

Added by sizovs added 3 weeks ago

A simple and modern Java and Kotlin web framework

Java Web Frameworks Kotlin Web Frameworks

reactivex/rxkotlin 7K -5

Added by sizovs added 1 week ago

RxJava bindings for Kotlin

Kotlin Reactive Libraries

detekt/detekt 6K +21

Added by sizovs added 2 weeks ago

Static code analysis for Kotlin

Kotlin Code Quality Tools

pinterest/ktlint 6K +9

Added by sizovs added 2 weeks ago

An anti-bikeshedding Kotlin linter with built-in formatter

Kotlin Code Quality Tools

sqldelight/sqldelight 6K +8

Added by sizovs added 2 weeks ago

SQLDelight generates typesafe Kotlin APIs from your SQL statements.

Kotlin Database Libraries ORM Libraries

arrow-kt/arrow 6K +8

Added by sizovs added 1 week ago

Λrrow - The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming

Kotlin Functional Programming Libraries

kotlin/kotlinx.serialization 5K +9

Added by sizovs added 2 weeks ago

Kotlin multiplatform / multi-format serialization

Kotlin JSON Libraries Serialization Libraries

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