Browse Kotlin Multiplatform libraries

Automatically generates mutable, snapshot-backed classes from immutable state definitions for Compose UIs, enabling observable, optimized primitive state, two-way conversion, bulk updates, and serialization-friendly specs.

Infinite pannable, zoomable canvas for building node-based editors, whiteboards, and diagrams with custom node content, per-node and canvas context menus, Bezier connections, gestures, dynamic nodes, pin-to-front.

Compute streaming, mergeable statistics using constant memory: summaries, quantile and cardinality sketches, decaying/regression estimators, composable adapters, wire-portable schemas, and bandits.

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.

Enhances property-based testing with a diverse collection of arbitrary generators for domains like stock prices, brand names, wine reviews, and more.

Chess mobile application enabling multiplayer matches via Bluetooth connectivity, offering a convenient platform for playing chess on the go with friends.

Facilitates dependency injection with a focus on immutability, type safety, and modularity, enhancing code organization and reducing boilerplate through functional programming principles.

Hex string encoder/decoder supporting various environments, including Android, iOS, and Windows. Offers conversion functions for byte arrays and strings, with usage demonstrated in unit tests.

Abstractions of collections enable seamless interoperability with JavaScript/TypeScript and Swift, offering interoperable lists, sets, and maps for cross-language compatibility and ease of use.

Suite of libraries and Gradle plugins focuses on simplifying testing and version management, offering wrappers for React, user events, WDIO, and utility plugins for streamlined integration.

Generates client code for Twirp services, integrating protobuf messages, JSON error handling, and HTTP support. Provides a runtime to configure Ktor HttpClient for seamless Twirp integration.

Lightweight framework enhances Functional Clean Architecture by simplifying contractual data sources and repositories, minimizing boilerplate code while maintaining essential mapping requirements for scalable, reusable solutions.

Facilitates resource management inspired by Golang, reducing indentation and simplifying handling of multiple resources. Supports coroutine environments and offers `cancelDefer` for resource ownership transfer.

Implements `Either` and `Option` types for managing dual-value and optional state scenarios. Enhances serialization, deserialization, and transformation capabilities, providing flexible error handling and state management.

Modular object storage framework offering key/value storage with automatic key derivation. Features include various serialization methods, secure and file-based storage, and value transformation capabilities.

Implements an HttpEngine using Ktor, enhancing HTTP communication capabilities. Access comprehensive documentation and Kdoc API reference for detailed guidance and integration instructions.

Lightweight library for scanning QR codes and barcodes, leveraging MLKIT for decoding. Features consistent API, seamless integration, and haptic feedback for enhanced user experience.

Offers a comprehensive collection of tools including multiplatform data structures, binary editing utilities, a GraphQL server, validation library, logging, and a BigNum library.

Offers a library for generating legal chess moves, parsing chess games in PGN or FEN formats, and capturing events. Supports advanced features like Perft testing and chess engine creation.

Lightweight read-write mutex implementation inspired by Golang's `sync.RWMutex`. Utilizes extension functions for simplified read/write lock management and state checking.

Offers an idiomatic library for interacting with the Groq API, featuring chat completions, audio transcription, translation, real-time streaming, and a rich DSL for clean syntax.

Enables creation of customizable day schedules, supporting base schedule features and event customization. Upcoming features include multi-event lines, layout strategies, and week schedules.

Observable utility determines window size dynamically, addressing current API limitations, especially for non-Android targets, with straightforward integration for responsive design adaptations.

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.

Enhances HTMX usage by providing a DSL extension for HTML and integrating seamlessly with Spring Boot for improved templating and routing capabilities.

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.

Design-system UI components and theming: Material 3–based buttons, alerts, typography and color system, plus packaged icons and illustrations for fast, consistent app interfaces and styling.

RFC 6455-compliant WebSocket client with permessage-deflate compression, suspend-friendly I/O and Flow-based messages, zero-copy frame pipeline, SIMD-optimized masking, and Autobahn compliance.

Unifies JNI usage across native targets, offering rich type-conversion helpers, annotation-driven generation of C-style JNI stubs, and seamless Java-to-native calls that remove boilerplate.

High-performance, asynchronous, lock-free in-memory fuzzy search engine optimized for instant typeahead; L2-normalized sparse vectors, O(1) lookups, fuzzy prefixes, skip-grams and typo‑resilient scoring.