Browse Kotlin Multiplatform libraries

Modern Material 3–based component system delivering accessible, themeable, customizable UI elements (Button, Card, Dialog, Calendar, Charts, Inputs) with simple APIs and design-token integration.

Lightweight library facilitates audio recording by abstracting platform-specific details, enabling unified management and configuration of audio recording, enhancing code reuse and consistency across applications.

Cross-platform media player library enables running sample apps on Android and iOS, and supports publishing to MavenLocal and MavenCentral with detailed setup instructions.

Lightweight UI framework for building scalable, fully multiplatform applications. Achieves modularity through independent components called black-boxes, promoting code reusability, lifecycle awareness, and declarative navigation.

Runs LiteRT neural network models across platforms, abstracting implementation details. Facilitates model loading, inference, and hardware acceleration, with support for custom delegate creation.

Streamlines cross-platform UI development with customizable, production-ready components, enabling consistent design and seamless integration across Android and iOS using a simple API.

Box2D v3 bindings mirroring original API; high-performance simulation, circle/polygon/capsule/segment shapes, opt-in contact/hit events, 64-bit collision filtering, world stepping and sleep controls.

Enables seamless file downloading, local saving, and opening through the system's default application, while abstracting platform-specific details for a streamlined experience.

Text-to-speech SDK with native engines and HuggingFace ONNX models, SSML, voice selection, progress tracking, priority queuing, model management and on-demand downloads.

Core infrastructure for a file-transfer system: unified network APIs, Realm-backed database, shared utilities, and an injection model abstracting API/database logic into simple manager calls.

Offers comprehensive device and app information retrieval for applications, inspired by react-native-device-info. Supports various functions such as obtaining unique IDs, checking emulator status, and accessing platform-specific APIs.

PDF viewing and handling toolkit with rendering, RAM/disk caching, remote persistence, configurable page preloading, shared zoom and search state, save/open/export flows, toolbar and thumbnail integrations.

API to support ICU string normalization for OkHttp across different platforms, leveraging native implementations. Integrates via Git Submodules and requires Git LFS for development.

Ensures UI content stays within safe areas on various platforms. Wraps applications with `ProvideSafeArea` to handle insets and avoid overlaps with system UI elements.

Enables interaction with Datadog for log collection and real user monitoring, supporting integrations like Ktor. Facilitates log and RUM event exploration through Datadog's console.

Supports querying JSON data using JSONPath expressions, enabling node selection and path normalization. Allows adding and removing custom function extensions while leveraging popular libraries for logging, testing, and serialization.

Wrapper for Tencent Mars XLog enables cross-platform logging with various levels like debug, info, and error, supporting Android, iOS, macOS, Windows, Linux, and web.

Enhances click indications across multiple platforms, offering extended support for various user interactions in applications.

Opinionated toast component offering stacked toasts, animations, various types, transitions, customizable icons, and swipe-to-dismiss functionality. Supports lazy rendering and Material design themes.

Enables seamless integration of Google Maps functionalities in applications with a unified API, reducing platform-specific code. Offers map rendering, marker management, camera control, and Google Places suggestions.

Implements a simple tree data structure for storing objects, with support for hierarchical organization and formatted string representation. Offers intuitive usage in multiple programming languages.

Experimental library enabling JSON5 serialization and deserialization with support for polymorphic types, class discriminators, comment serialization, concise error messages, and duplicate key rejection.

Enables interaction with the Solana blockchain, facilitating transaction creation, signing, and RPC communication. Offers modules for keypair generation, Metaplex API, and NFT handling.

Facilitates audio integration in applications, supporting file formats like MP3 and AAC. Enables audio playback, pausing, stopping, and memory management with `Audio` and `AudioByte` classes.

Run LLMs locally with model downloading, GGUF export, SDKs and a CLI for testing; optimized on-device inference enabling private, serverless chat and model management.

Simple and robust logging solution with customizable loggers, metadata support, log level and content filtering, including integration with Ktor for enhanced logging capabilities.

Multiplatform library facilitates interaction with Nostr, supporting event publishing, subscription requests, and relay communication through customized configurations and HTTP client integration.

Enables seamless integration with Appwrite's backend services, offering consistent API, full cross-platform support, and functionality mirroring the Appwrite Android SDK for ease of use.

Lightweight, modular security toolkit performing on-device threat detection and continuous RASP monitoring, with configurable detectors, DSL configuration, smart weighted risk aggregation and detailed incident reports.

Enables logging in shared modules with platform-specific implementations, allowing custom loggers, filtering, logging level control, and tag transformations for flexible log management.