Browse Kotlin Multiplatform libraries

Firebase Admin SDK for service-account credentials, OAuth2 token caching, JWT auth, and FCM messaging with rich notifications, topics/conditions, plus custom HTTP and crypto support.

Replica la API oficial de Firebase, entrega módulos modulares, integración con coroutines/Flow, serialización tipada (value<T>, toObject<T>, set<T>) y testing con emulator.

Resumable tus uploads with create/upload flows, pause/resume support, progress callbacks, metadata, configurable chunking and retries, optional file-locking, and persistence hooks for resumed transfers.

High-level API for discovering, connecting to and exchanging messages with Bluetooth mesh companion devices, featuring scanning with filters, reliable acknowledgements, auto-sync time, channel polling and message streams.

SDK for interacting with Growatt solar inverters and energy storage systems, offering unified real-time snapshots, battery charge/discharge and energy-day charts, plant/device listings and weather data.

Rust-backed, high-performance WebTransport wrapper offering an idiomatic async API for establishing connections, managing uni/bi-directional streams and unreliable datagrams, plus TLS certificate handling.

Enables real-time bidirectional communication with Phoenix Channels via WebSocket, channel join/leave, push messages, event routing, automatic exponential-backoff reconnection, heartbeat, and type-safe message handling.

Analytics client: non-blocking event queue, batching with retries and exponential backoff, local JSONL persistence for offline delivery, typed properties, session/device identity and lifecycle controls.

Operation-level Mastodon API clients with generated per-operation modules, SDK for composing operations, Gradle tasks, CLI tools, and MCP server exposing Mastodon tooling to AI assistants.

Secure, modular SDK for remote data access: pluggable HTTP/WebSocket transports, centralized execution pipeline, consistent error classification, credential/session management, certificate pinning, and guides.

API wrapper for traQ bots offering coroutine-friendly DSL-style event handlers (onMessageCreated), message-reply utilities, token-based initialization, and a simple run lifecycle for quick bot setup.

Unofficial implementation of the Telegram SDK, enabling bot development. Allows contributions for missing features and is available via Maven Central for installation.

Integrates Firebase services like Authentication, Firestore, Storage, and Cloud Functions with a coroutine-based API style, enhancing backend app development experience through streamlined asynchronous operations and serialization.

Enhances gRPC calls with endpoint identity information, supporting authentication and timestamp validation to prevent replay attacks. Offers configurable token policies for flexible security requirements.

Wrapper facilitates integration with Azure's Cognitive Services Speech SDK, enabling speech recognition and synthesis capabilities. Enhances accessibility for Android and iOS platforms through simplified dependency management.

Facilitates GraphQL queries using a domain-specific language, sending requests via HTTP POST. Integrates with Ktor for engine support and provides easy setup and usage.

Facilitates connecting to ONVIF cameras, retrieving device information, stream URIs, and snapshot URIs, simplifying development for ONVIF camera integration on Android.

Enhances sports applications with API integration for managing sports-related data. Facilitates setup through Gradle, Maven publishing, and comprehensive documentation for seamless integration and deployment.

Offers a fast, simple caching solution with minimal operational overhead, enabling quick cache creation and management using an authentication token. Includes comprehensive documentation and examples.

Native Postgres driver utilizing libpq supports SQLDelight integration and raw queries with local and remote listeners. Lacks multithread support, connection pool, and Windows compatibility.

Kotlin Multiplatform library simplifies interaction with the Cobalt API for media downloading. Offers wrapped and raw API implementations, customizable request settings, and specific builders for streamlined media requests.

Manages and retrieves pricing data for trading card games, offering structured access to categories, groups, products, and prices through a comprehensive API.

Interacts with Blockchain-SSM chaincode on Hyperledger Fabric, offering modules for direct API communication, CouchDB optimization, and complex query facilitation using a Signing State Machine approach.

Handles file storage and management, interfacing with S3 for uploads and optionally hashing files for SSM. Utilizes MinIO SDK and Redis caching for efficient communication.

GraphQL client library enables interaction with GraphQL servers, supporting multiple platforms. Provides a type-safe, configurable client using Ktor, with a Gradle plugin for code generation.

Facilitates integration with a notification system, simplifying the process of implementing notifications in applications. Installation requires adding it to the Maven Central repository.

Kotlin-first SDK for integrating Segment analytics, supporting tracking, identifying, grouping, and screen operations in multiplatform projects targeting iOS and Android.

Offers API definitions for interacting with what3words services using text or audio input, providing functionality for address suggestions, geocoordinate conversions, and multilingual support.

Lightweight SDK integrates card payments, enabling secure data collection with validation, CVV collection, 3DS support, and handling both one-time and saved card transactions.

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