Browse Kotlin Multiplatform libraries

Wraps OS native spell checkers into a concise API for locale-aware single-word and sentence checking, suggestion generation, and runtime locale discovery—no bundled dictionaries required.

Generates code from API formats by transforming them into an intermediate representation and utilizing a code generator. Supports WSDL, Swagger, OpenAPI, with customizable plugin mechanisms.

Simplifies retrieving current location and handling updates with a unified API for building location-aware features, eliminating platform-specific implementation concerns.

Simplifies REST API communication and WebSocket management, offering unified network request handling, token-based authentication, localization, and advanced error handling with minimal setup.

Simple lyrics client retrieves song lyrics from YouTube, integrates with Lavaplayer and Lavalink, and offers an API for timed or text-based lyric retrieval.

Offers tools for building self-sovereign identity applications, enabling decentralized identifier management, verifiable credential operations, and secure communication. Built on Cardano, supports Android and JVM.

Lightweight in-app browser offering native UI and secure shared authentication, fast pre-warming and optimized rendering, plus a single-call API to open and programmatically close URLs.

Securely manages encryption keys and stores encrypted key-value pairs. Simplifies key generation, encryption, and storage for building secure applications. Supports saving and retrieving various data types.

Treats IO sources and sinks as bit streams, adding BitSink and BitSource interfaces with bitSink()/bitSource() extensions for sub-byte reads/writes and bit utilities.

Small COM runtime enabling binding/invocation of COM interfaces and classes via C interop; builds v-tables, caches functions, handles IID/CLSID, and provides init/uninit.

Web service for geospatial data access and management, offering GeoJson-based REST and Java APIs, Postgres support, data change event publishing, and customizable extension framework for integrations.

Comprehensive SDK for building Stellar Network apps: keypair management, transaction building/signing, Horizon REST client, Soroban RPC, smart-contract deployment/invocation, multi-signature and auth workflows.

Feature-flagging toolkit with type-safe properties, DSL configuration, serialization support, custom stores, auto-create behavior, conditional ifEnabled helpers, group management, and extensible property retrieval.

Manages and provides access to Lorcana card data, offering raw JSON files and an API for retrieving card lists, variants, abilities, and franchise information.

Enables interaction with Yandex Music's API, allowing streamlined access to music data and features across different platforms.

Offers a comprehensive suite of RDF and SPARQL tools, featuring modular design, RDF DSL, SPARQL engine with incremental evaluation, and support for various RDF representations.

Facilitates interaction with Lemmy instances through a backwards compatible API. Adjusts requests/responses for different versions, supports feature checks, and automates code generation to minimize maintenance.

Open-source implementation of XPath, XQuery, and XSLT languages. Supports code analysis and IDE tools with W3C and vendor extensions, providing a framework for XML language implementation.

Facilitates quick file downloads in apps, supporting various sources and storage options. Offers download management features like concurrency limits, progress tracking, and operation pausing or cancellation.

Uniform configuration facade for Neo4j import tools: user-friendly JSON/YAML import specs with JSON Schema, Java model, pipeline API, and extensible plugins for sources, targets, actions, and validators.

Converts and transliterates text between Latin and Cyrillic scripts using a simple, modern API. Supports various alphabets and allows custom conversion tables.

Type-safe currency formatting with comprehensive locale management, ISO/code and symbol styles, Compose-ready composables, result-based error handling, lightweight and instance-based formatter API.

Parses DHIS2 expressions using a PEG approach, offering modes for validation, prediction, and rule evaluation. Provides Java and JavaScript APIs for client-server integration.

Enhances code with C++-like static locals, enabling efficient initialization and reuse of objects across function calls. Offers thread-local storage and location-based keys for flexible object management.

Lightweight geofencing library offering lambda/callback-based enter/exit events, permission status checks, dynamic add/remove of circular geofences, background-capable event listeners, easy integration.

Provides a shared API for interacting with various smartwatches on different platforms, featuring modules for mobile, wear, and serialization functionalities.

Library facilitates implementation of WalletConnect protocol v1, enabling secure communication between clients and wallets. Features include customizable connection storage, client-server interaction, and message handling.

Modernizes Brigadier's command-building API, enhancing multiplatform support and allowing source type mapping for seamless command creation without platform dependency. Features improved API closely mirroring Brigadier.

Facilitates polyline simplification with Radial Distance and Ramer-Douglas-Peucker algorithms, optimizing large datasets for visualization. Allows custom data type integration with coordinate extraction and transformation functions.

Facilitates bit-logical operations in codebases with modules focused on bit manipulation and endian conversions, offering comprehensive API documentation for easy integration.