Browse Kotlin Multiplatform libraries

Type-safe Spotify Web API client offering async-friendly calls, comprehensive endpoints, built-in auth flows (PKCE, client credentials, authorization code, refresh), paging, rate-limit handling, retries, and samples.

Client toolkit for interacting with the XRP Ledger: HTTP/WebSocket client, wallet generation and signing, transaction construction and autofill, multisig/ticket support, subscriptions, typed ledger objects, order-book queries.

Provider-based media client offering built-in YouTube audio downloads and English transcript extraction, modular engine plus native audio-encoding bridge, extensible provider architecture.

Testing utilities for Compose hooks and composables: testHook, renderHook and waitForCondition enabling assertion of non-UI hook values, composition-local wrappers, clock control and fast unit-hook rendering.

Unified API client for Fursuit.TV and VDS accounts, supporting API key, client-credentials, OAuth2 with local callback, automatic token refresh, modular endpoints, retries and configurable logging.

Compose API to gate app content with native user verification: single suspend call returns typed results, device-credential fallback, extensible opt-in capability interfaces and native escape hatch.

Mobile network connectivity checker exposing current connection status, observable state flows, and an NPE-safe factory returning a no-op instance before app context initialization; published to Maven Central.

Manages remote data state with sealed Loading/Success/Error model, reactive flows, type-safe transitions, mapping utilities (mapSuccess/mapError), atomic success updates and zero-dependency implementation.

Control LED displays using a builder DSL to compose video/image areas, schedule and play modes, upload programs to HD fullcolor devices with in-memory media and device-specific transformer.

Lightweight, modular utility library offering clean APIs, minimal dependencies, core helpers, coroutine extensions, and a dedicated module for date/time and duration utilities.

Gesture-triggered debug overlay to inspect logs, grouped events, HTTP traffic, and live session state; supports custom log types/renderers, real-time search/filters, custom triggers, and zero-overhead release stubs.

Annotation-driven, compile-time navigation generator: declare journeys as sealed interfaces; generates typed controllers, sealed view classes, a saved back-stack host, and declarative piggybacked side-effects.

Experimental console UI builder using Jetpack Compose compiler/runtime — declarative composable primitives, state-driven rendering, live terminal redraws, built-in effects and sample interactive apps.

Contains additional concurrency primitives like CyclicBarrier, Uncancellable, HotSwap, Backpressure, and CountDownLatch not included in Arrow Fx Coroutines, inspired by Cats-effect.

Facilitates easier binding of reactive data flows to Java Swing components, offering customizable lifecycle management, one-directional or bi-directional bindings, and integration with intermediate flow operations.

Library streamlines Discord Interactions by providing classes for all interaction objects, supporting all endpoints with suspendable functions, and offering helper functions for application command creation.

Enables seamless interaction with Mojang API, leveraging coroutines for efficient I/O operations. Supports various environments and simplifies API usage through integration with Ktor HTTP client.

> `DelayStrategy` objects implement the `[]` operator to define delay strategies for retry attempts. Includes constant, sequential, linear, Fibonacci, exponential backoff, and custom delay strategies with jitter factors.

Offers classes and extension methods for common operations not in the standard library, including modules for Android, coroutines, data manipulation, datetime, and core extensions.

Powerful MVLI library enhances state management and navigation using unidirectional data flow, type-safe navigation, Jetpack Compose integration, coroutine support, and modular design.

Wrapper for IndexedDB enabling access with suspend blocks and linear control flow. Supports database creation, migration, data writing, reading, and cursor-based queries with suspend functions.

Aggregates platform-specific system signals into a unified API, offering idiomatic language features, zero external dependencies, and extensive platform support for handling, awaiting, and raising signals.

Facilitates simple or advanced chat interactions using customizable message structures and models, supporting both single and multi-chat scenarios with streaming or non-streaming outputs.

Collects data from phone's rotation vector and accelerometer, offering implementations for both Android and iOS. Integrates easily with dependency management and supports sensor availability checks.

Framework library for developing applications using a unidirectional data flow model. Features include state management, rendering, actions, effects, and loop handling for seamless UI updates.

Facilitates creation of finite state machines with single active state, ensuring thread-safety and eliminating concurrency issues. Enhances readability, testability, and observability through structured state implementation and transition monitoring.

Offers a versatile SDK for interacting with Objective API, featuring CLI/TUI options, async client methods, and cross-platform integration for seamless data retrieval and manipulation.

Lightweight, lifecycle-safe snackbar event dispatcher solves common pitfalls with StateFlow and SharedFlow, ensuring reliable event emission without duplicates or manual state management. Offers a simple API and is lifecycle-aware.

Facilitates interaction with a Dasung 253 monitor via USB by abstracting UART commands, offering simplified classes and functions for monitor manipulation, incorporating jSerialComm and USB Serial libraries.

Enables direct integration with Firebase across multiple platforms, utilizing coroutines and serialization. Supports various Firebase services with Kotlin-first design, offering asynchronous operations and polymorphic serialization.