Browse Kotlin Multiplatform libraries

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MediaPlayer-KMP2.1.0
302

Enables seamless YouTube video and audio playback across multiple platforms, integrating with JetBrains Compose Multiplatform. Features include authentication tokens, event handling, and reels view support.

AndroidJSJVMNativeWasm·KhubaibKhan4·GNU General Public License v2.0
KSafe2.1.3
301

Effortlessly encrypts and persists data using hardware-backed security, offering one-code-path simplicity, seamless integration, and protection for sensitive information like OAuth tokens.

AndroidJSJVMNativeWasm·ioannisa·Apache License 2.0
constraintlayout-compose-multiplatform0.8.0-shaded-core
3005 used by

Enables creating complex, responsive layouts by positioning UI elements relative to each other, improving code readability and alignment efficiency across multiple platforms.

AndroidJSJVMNativeWasm·lavmee·Apache License 2.0
compose-icons2.2.1
3004 used by

Converts popular icon libraries to Image Vectors for use in Jetpack Compose apps. Easily copy and paste icons into design tools or projects, with support for tinting through composables.

AndroidJSJVMNativeWasm·composablehorizons·MIT License
kottie2.3.0
299

Compose Multiplatform animation library parses Adobe After Effects animations, inspired by Airbnb/Lottie. Features include loading animations from files, URLs, or JSON strings, controlling playback, adjusting speed, setting iterations, and observing state changes.

AndroidJSJVMNativeWasm·ismai117·Apache License 2.0
pbandk0.16.0
2964 used by

Generates and manages code for Protocol Buffers with features like clean data class generation, JSON serialization, oneof handling as sealed classes, and support for proto2 and proto3 syntaxes.

AndroidJSJVMNativeWasm·streem·MIT License
kopy0.24.0+2.4.0
296

Facilitates deep copying and updating of data class properties using `copy` or `invoke` functions. Adds new functions and properties, supports lambda updates, and enhances immutability without reflection.

JSJVMNativeWasm·JavierSegoviaCordoba·Apache License 2.0
KMQTT1.0.0
2951 used by

Provides an MQTT 3.1.1/5.0 client and broker supporting TCP, TLS, and WebSocket connections. Features include clustering, enhanced authentication, session persistence, and various platform compatibility.

JSJVMNative·davidepianca98·MIT License
KotlinDeepCopy1.9.20-1.0.1
291

Generates deep copy functions for data classes, using reflection or annotations for runtime efficiency. Supports easy integration with build tools and offers an IntelliJ plugin for seamless usage.

JSJVM·bennyhuo·MIT License
kmpalette4.0.0-beta02
2911 used by

Generates color palettes from images, including the dominant color, and integrates with Material themes. Supports various image sources and provides extensions and composables for easy implementation.

AndroidJSJVMNativeWasm·jordond·MIT License
kompose-country-code-picker2.0.4
290

Material 3 country-code picker UI offering 250+ countries with flags and dial codes, phone validation/formatting, accent-normalized search, responsive dialogs, keyboard navigation, and multilingual support.

AndroidJSJVMNativeWasm·joelkanyi·Apache License 2.0
fmodel3.7.0
285

Library for functional and reactive domain modeling using Domain-Driven Design patterns, optimized for Event Sourcing and CQRS. Includes isolated domain models, application orchestration, and support for state-stored and event-sourced systems.

JSJVMNative·fraktalio·Other
uri-kmp0.0.21
28316 used by

Facilitates URI and URL parsing, manipulation, and encoding/decoding based on AOSP's Uri and UriCodec implementations. Integrates easily with Gradle for seamless dependency management.

AndroidJSJVMNativeWasm·eygraber·Other
multipaz0.99.0
281

Library suite and tools for issuing, presenting, and verifying mDL/VC credentials using ISO mdoc, SD‑JWT, W3C Digital Credentials, OpenID4VP, and zero-knowledge proof integration.

AndroidJSJVMNativeWasm·openwallet-foundation·Apache License 2.0
Decompose-Router0.9.0
275

Compose-multiplatform navigation library leveraging Decompose to manage screen configurations with a `Router`, supporting retention of view models across configuration changes and multiple platforms.

AndroidJSJVMNativeWasm·xxfast
Writeopia0.13.0
274

Modern text editor integrates AI, focusing on offline functionality and privacy. Offers SDK for enhanced text editing experiences in various applications, ensuring data stays on your device.

AndroidJSJVMNativeWasm·Writeopia·GNU Affero General Public License v3.0
krossbow9.3.0
273

Multiplatform STOMP 1.2 client with coroutine-based API, offering adapters for popular web socket clients and a built-in web socket implementation for certain platforms.

JSJVMNativeWasm·joffrey-bion·MIT License
confundus1.1.0
270

Enhances type casting by introducing `unsafeCast`, allowing reinterpretation of nullable references as non-nullable without runtime checks, optimizing performance at the expense of type safety.

JSJVM·JakeWharton·Apache License 2.0
antlr-kotlin1.0.10
2697 used by

Facilitates targeting ANTLR-generated lexers, parsers, listeners, and visitors with a specialized plugin and runtime library. Supports multiplatform execution, extensive setup instructions, and benchmarking capabilities included.

JSJVMNativeWasm·Strumenta·Apache License 2.0
compose-stable-marker1.0.7
2651 used by

Enhances performance by marking data as stable or immutable, allowing the compiler to optimize rendering in multi-module projects. Provides annotations like `Stable`, `Immutable`, and `StableMarker`.

AndroidJSJVMNativeWasm·skydoves·Apache License 2.0
Enro3.0.0-beta03
265

Enables function-like navigation for screens within applications, using a concept of navigation keys as contracts for screen transitions, with support for fragments, activities, and composables.

AndroidJSJVMNativeWasm·isaac-udy·Apache License 2.0
componentbox0.1.0
260

Facilitates creating and managing UI components dynamically across multiple platforms, enabling stateful and composable UI representations. Features include static and dynamic tree structures, state management, and support for various rendering engines.

AndroidJSJVMNative·dropbox·Apache License 2.0
mutekt1.0.1
257

Generates mutable models from immutable definitions, simplifying state updates and reducing boilerplate code. Inspired by Redux and Immer, offers atomic field updates and reactive immutable value updates using `StateFlow`.

JSJVMNative·PatilShreyas·Apache License 2.0
Odyssey1.3.61
2552 used by

Declarative navigation library supporting simple and nested navigation, parameters, bottom and tab navigation, side drawers, state saving, and transition animations, with back press handling.

AndroidJSJVMNativeWasm·AlexGladkov·MIT License
ultron2.6.3
254

Simplifies Android UI test development with enhanced stability and maintainability. Integrates with existing frameworks and features expressive syntax, customizability, and comprehensive support for Compose, RecyclerView, and Allure reporting.

AndroidJSJVMNativeWasm·open-tool·Apache License 2.0
compose-datetime-wheel-picker1.3.2
2531 used by

Elliptical datetime picker implementation featuring customizable wheel pickers for date, time, and datetime selection, supporting various formats and theming options.

AndroidJSJVMNativeWasm·darkokoa·Apache License 2.0
tmdb-kotlin1.10.0
248

Library for fetching movies, TV shows, and related information from a comprehensive community database. Features customizable HttpClient configuration, search, discovery, and authentication functionalities.

JSJVMNative·ChrisKruegerDev·Apache License 2.0
telegram-bot9.5.0
247

User-friendly Telegram Bot API wrapper supporting long-polling and webhook modes, command and input handlers, and flexible configuration options. Offers asynchronous request handling and comprehensive response processing.

JSJVMNative·vendelieu·Apache License 2.0
drag-select-compose3.3.0
246

Enables "Google Photos"-style multi-selection in apps. Features long-press drag gestures, auto-scrolling, haptic feedback, and accessibility extensions. Offers wrappers for implementing selection UI with LazyGrids.

AndroidJSJVMNativeWasm·jordond·MIT License
klogging0.11.8
245

Flexible logging library designed for creating structured log events, leveraging coroutines for asynchronous event dispatch, and supporting high-resolution timestamps. Includes adapters for SLF4J, Spring Boot, and Hexagon frameworks.

AndroidJSJVMNativeWasm·klogging·Apache License 2.0