List of Kotlin software and tools

This is a list of software and programming tools for the Kotlin programming language, which includes frameworks, libraries, IDEs, build tools, and related projects.

Kotlin frameworks

• Arrow — functional programming framework^[1][2]
• Jetpack Compose — modern Android UI toolkit written in Kotlin^[3]
• Ktor — asynchronous web framework developed by JetBrains^[4][5]
• Micronaut — modern microservices framework with Kotlin^[6]
• Quarkus — Kubernetes-native Java framework optimized for GraalVM and Kotlin^[7]
• Spring — major Java framework that provides full Kotlin support^[8]

Libraries

• Clikt — command-line interface toolkit^[9][10]
• Exposed — Kotlin object-relational mapping framework by JetBrains^[11]
• Fuel — Kotlin HTTP networking library^[12]
• Kodein-DI — dependency injection framework^[13]
• Koin — lightweight dependency injection library^[14][15][16]
• Kotlin standard library — core APIs for Kotlin on the JVM, JavaScript, and Native platforms^[17]
• Kotlinx.atomicfu — atomic operations for concurrent programming^[18][19]
• Kotlinx.collections.immutable — persistent collection library^[20]
• Kotlinx.coroutines — library for asynchronous programming and coroutine support^[21][22]
• Kotlinx.datetime — modern date and time API^[23][24]
• Kotlinx.serialization — multiplatform JSON and binary serialization^[25][26]
• OkHttp — popular HTTP client used with Kotlin and Java^[27]
• Okio — I/O library used in many Kotlin projects^[28]
• Realm — mobile database with Kotlin API^[29][30]
• Retrofit — type-safe HTTP client for Android and Kotlin^[31]
• TornadoFX — JavaFX framework^[32]

Machine learning and AI

• Deeplearning4j — JVM-based deep learning framework usable with Kotlin^[33]
• KotlinDL — deep learning library from JetBrains, built on TensorFlow, inspired by Keras^[34]
• Smile — machine learning library for JVM languages including Kotlin^[35]

Build tools and package managers

• Gradle — build automation tool with Kotlin DSL for build scripts^[36]
• JitPack — package repository supporting Kotlin and Java projects
• Kobalt — build automation tool inspired by Gradle, written in Kotlin.^[37]
• Maven — supported build system projects^[38]
• TeamCity — continuous integration server from JetBrains with Kotlin DSL for pipelines^[39]

Integrated development environments

• Android Studio — official IDE for Android development, supports Kotlin by default.
• Eclipse IDE — supports Kotlin via plug-ins^[40]
• Fleet — next-generation IDE from JetBrains with Kotlin focus
• IntelliJ IDEA — flagship IDE by JetBrains, with full Kotlin support.
• Visual Studio Code — lightweight editor with Kotlin extensions^[41]

Online IDEs

See also: List of online integrated development environments

• JDoodle — online compiler and runner for Kotlin code.
• Replit — browser-based IDE supporting Kotlin.

Kotlin runtimes, compilers, and platforms

• GraalVM — supports Kotlin as a JVM language for native image generation.^[42]
• K2 — official compiler by JetBrains (JVM, JS, Native)^[43]
• Kotlin/JS — transpiles Kotlin code to JavaScript^[44]
• Kotlin/JVM — Kotlin compiled to Java bytecode for the JVM^[45]
• Kotlin Multiplatform — share code across Android, iOS, desktop, and web targets.^[46][47]
• Kotlin/Native — compiles Kotlin directly to machine code using LLVM^[48][49]

Testing and quality assurance

• AssertK — assertion library^[50]
• Detekt — static code analysis^[51][52][53]
• JUnit 5 — fully compatible with Kotlin^[54]
• Kotest — unit testing and property-based testing framework^[55][56]
• ktlint — automatic code style and linting tool^[57]
• MockK — mocking framework designed^[58]
• Spek — Behavior-driven development (BDD) testing framework^[59][60]
• SonarQube — supports Kotlin static code analysis^[61]

Debugging and profiling tools

• Android Profiler — built into Android Studio for profiling Kotlin Android apps^[62][63]
• JProfiler — commercial profiler with Kotlin compatibility^[64]
• Kotlin REPL — interactive shell for quick code testing^[65]
• VisualVM — profiling and performance analysis for JVM-based Kotlin apps^[66]

Documentation and learning tools

• Dokka — documentation engine for Kotlin, similar to Javadoc^[67][68]
• Hyperskill — Kotlin programming curriculum for Kotlin and other programming languages^[69]
• Kotlin Koans — interactive exercises for learning Kotlin
• Kotlin Playground — official browser-based code runner
• Kotlin online compiler – online integrated development environment

Other

• Compose Multiplatform — UI toolkit by JetBrains for desktop, Android, and web.^[70]
• Kotlin scripting — embedded scripting support for Kotlin files .kts^[71]
• KSP (Kotlin Symbol Processing) — compiler plugin API for annotation processing^[72][73][74]

See also

• Java (programming language)
• List of Java software and tools
• Lists of programming software development tools
• List of JVM languages

External links

• Official Kotlin website
• Kotlin on GitHub
• Awesome-kotlin – GitHub repository of Kotlin projects
• Kotlin Documentation