Browse Kotlin Multiplatform libraries

Finite-state machine DSL for explicit state graphs with exhaustive state types, event payloads for constructing states, observable reactive state stream, deterministic non-reentrant dispatch, and Mermaid export.

NFC toolkit for tag reading/writing: NDEF read/write, raw APDU transceive, capability introspection, plus test doubles with error injection and delay simulation.

Pure domain layer enforcing Clean Architecture with typed contracts, DomainResult error handling, composable validators and policies, deterministic testing via injected clock and id providers, no framework dependencies.

Event and result observation with DataResult, LiveData/Flow wrappers, chaining/mapping/merge helpers and a Compose-first DSL for declarative loading, data, error and collection handling.

Provider-agnostic, self-hosted billing syncing payment events to Supabase as single source-of-truth; multi-provider plugins, CLI/AI setup, built-in paywall UI, dashboard and multi-tenant isolation.

Unifies media selection for images, videos, and files with system-camera capture, streaming reads, lightweight file references, seamless single-call API, and no custom camera UI or extra permissions.

Production-grade, Compose-first navigation runtime built around a deterministic state machine; zero reflection, first-class telemetry with pluggable exporters, devtools overlay, deep-link generation, state restoration and testing helpers.

Type-safe, annotation-driven DataStore code generation producing zero-boilerplate compile-time implementations from simple interfaces; supports suspend and reactive reads, typed preferences, object serialization, and constructor/reflection instantiation.

UI-agnostic form validation toolkit standardizing immutable, testable input states; supports custom and dynamic validations, aggregated form validity, and submission lifecycle handling.

Facilitates automated data loading with customizable refresh and clear times, utilizing loaders and observers, allowing seamless integration with repositories and view models for efficient data management.

Adapts the Redux pattern with integrated coroutines, enabling a testable architecture. Manages app state changes via actions and reducers, supporting asynchronous effects and dependency injection through a state context.

Shared code library enhances app development with analytics, datastore, logging, text utilities, and function extensions for Enum, DateTime, and more, facilitating seamless cross-platform integration.

Enables interaction with the unofficial Drop Research Facilities API, utilizing Ktor for networking, and supports live message subscription via a flow mechanism.

Facilitates merging multiple data streams into a single state flow, offering diverse launch strategies for streamlined state management in complex scenarios.

Enhances state management in projects, offering a store class with builders for architecture patterns, intent actions, reducers, side effects, and state collection in composable methods.

Enhances shared preferences by integrating with coroutines, offering suspend functions for immediate persistence, collector support for flows, and handling of enums, objects, and nullable values.

Architectural framework manages state and event processing, utilizing parameters, projections, events, intents, and event chains to ensure code predictability, testability, and scalability.

Enhances coroutine capabilities with tools, add-ons, and extension functions, streamlining coroutine workflows and supporting other libraries. Features include `launchUndispatched`, `interruptable`, `firstOf`, and `ErrorIgnoringScope`.

Enhances user interface development with composable methods, offering features like conditional modifications, state conversion, interaction filtering, and lifecycle-aware back handling to streamline UI workflows.

Represents session management, allowing multiple starts and ends while holding and atomically updating data. Notifies observers on data changes and supports synchronous or streaming data retrieval.

Facilitates interaction with the Binance cryptocurrency exchange API, offering type-safe interfaces for REST and WebSocket operations, supporting spot and futures trading, with real-time data streams and comprehensive error handling.

Lightweight library for building asynchronous, composable data pipelines using Flow. Enables chaining of mapping, buffering, and parallel transformation steps for efficient data flow processing.

Manages remote configuration, event tracking, and logging in mobile applications. Features include reactive updates, automatic user identification, and structured logging with various severity levels.

Facilitates interaction with Alpaca Trading API for account management, order placement, and real-time data streaming, including historical trade data access and test mode for simulating stock prices.

Simplifies interaction with Firebase Firestore by providing a unified interface for data access, real-time updates, and queries using coroutines and flows.

Lifecycle-aware Snackbar library streamlines Snackbar management, preventing missed or duplicated messages. Offers one-liner API, automatic string resource conversion, and full unit-testability.

Library enables interaction with multiple large language model providers via a unified interface. Features include consumer-friendly API, secured key management, HTTP client flexibility, streaming capabilities, and configurable retry policies.

Lightweight MQTT tooling for easy connect/subscribe/publish with JSON serialization, Flow-based message streams, automatic reconnects and dynamic broker reconfiguration via config flows.

Extension library enabling Compose-style presenters with Flow or State actions, event channels, nested presenters, ViewModel-managed lifecycles, and resolution of native integration conflicts.

HTTP and file utilities: concise HTTP client with JSON and Result-based errors, suspend-based file manager, streaming downloader with progress Flow, plus runtime system info retrieval.