Browse Kotlin Multiplatform libraries

Interactive spotlight tutorials with type-safe targets, smart tooltip positioning, reactive state management, multiple concurrent tutorial configurations, and a clean flat API for highlighting UI elements and showing contextual tooltips.

Lightweight library generating Fibonacci sequences from environment-supplied starting numbers, including tests and an example publishing configuration demonstrating release to Maven Central.

Rendering customizable calendars, pagers and date pickers with single/multi/range selection, ranged highlighting, flexible appearance configuration, paged navigation, and optional global defaults — experimental.

Libraries for managing, navigating and presenting content in Kotlin Multiplatform applications.

Type-safe, fluent validation DSL for expressive, composable rules with zero-reflection performance, modular extensibility, detailed error reporting, fail-fast or collect-all modes, and optional datetime validators.

Modern camera toolkit delivering high-quality preview, capture, and image processing via modular plugins — includes QR scanning, OCR, and flexible image-saving for easy integration.

Lightweight audio capture producing canonical 16-bit mono WAV buffers for transcription and AI pipelines, with unified API and extensible event hooks for error handling.

Offering asynchronous, feature-rich access to OpenAI's API for chat, images, embeddings, files, fine‑tuning, moderation and audio, plus ProGuard rules, sample apps and guides.

Enables interaction with identity network nodes: wallet, credential, attribute and access-grant management, transaction signing, plus encrypted key storage with password-based LOCAL or Shamir‑based MPC orchestration.

A material3-based design system implementation.

Clear, faithful QR Code generator implementing the original algorithm; emphasizes readability, correctness and easy integration to produce standard-compliant QR Codes for projects.

Embeds QuickJS to download and run JavaScript modules inside host apps, enabling hot-deployable, interface-bridged services with precompiled bytecode, modular caching, source-mapped debugging, and signature verification.

Foundation for highly stylable, extensible design systems: structured token and component style management, hierarchical overridable declarative styles with cross-references, integrated caching and StyleValues code-generation.

Lightweight observable state container enabling atomic compare-and-set updates, snapshotting, change listeners, and asynchronous notifications for predictable, thread-safe state management and easy integration.

Lightweight, zero-dependency parser converting JSX into a type-safe AST with a simple parse API, returning success/failure results and readable errors.

Opinionated Compose UI utility collection featuring a compact Autocomplete component with state helpers, simple suggestion filtering, and reusable, highly-specialized components for rapid integration.

Generates Fibonacci sequences from environment-provided starting values; includes tests and step-by-step Maven Central publishing and CI setup, covering key generation, signing, and namespace verification.

High-level client for Mattermost API enabling bots/integrations to receive direct messages, detect chats, handle attachments, send messages, and split large Markdown responses.

A Kotlin/Native + JVM Library for file operations

Mocking via code-generation with concise, non-intrusive, type-safe API; mocks classes and interfaces, supports value/matcher stubbing, function/coroutine stubs, implicit Unit stubbing, verification.

Type-safe REST API interactions via typed resources, preconfigured HTTP client factory, concise get/post/put/form requests, and HttpTypedResponse with deserialized bodies, reducing boilerplate.

Zero-dependency parser and serializer for SPAYD (Short Payment Descriptor) QR-payment strings — read, write, encode/decode with single-file, copyable implementation and serialization support.

Barebones library template to quickly bootstrap a Maven-Central-ready library; includes a platform-starting Fibonacci generator, per-target tests, CI workflow and deployment instructions.

Lightweight WebSocket client with connection manager, coroutine-friendly incoming message stream, easy connect/send/disconnect, and simple integration for reactive UI state and view models.

Lightweight wrapper around Ktor Client offering a clean, testable networking layer with buildClient API, JSON serialization, base‑URL and timeout handling, offline detection, and lambda interceptors.

Shared Compose-based UI and structured per-target source sets for reusable app code, plus a native app entry point and simple build/run instructions.

Renders JSON data as a collapsible, syntax‑colored tree with expandable objects/arrays, type‑based coloring, indentation via CompositionLocal, and configurable styling for spacing, colors, and counts.

Comprehensive error-handling toolkit offering rich, actionable exceptions with UI metadata, centralized internationalized error catalog, and composable UI components for consistent, severity-aware error presentation.

Compose-based cross-platform app template enabling shared UI and platform-specific code separation, offering native entry points, SwiftUI support, and Wasm/JS development/run tasks.

Real-time collaborative engine leveraging Server-Sent Events to manage room-based sessions, broadcast events, handle keep-alives, and coordinate structured asynchronous processing for interactive applications.