Browse Kotlin Multiplatform libraries

A preference library facilitates custom data handling and UI creation, integrating with JetPack Compose. It supports model declarations, runtime state management, and pre-configured Material preference widgets.

Blazing-fast, type-safe HTML template engine compiling .ktml templates into optimized functions; supports reusable custom-tag components, fragments, nullable/default-typed parameters, hot-reloading, and embedded script blocks.

Box2D v3 bindings mirroring original API; high-performance simulation, circle/polygon/capsule/segment shapes, opt-in contact/hit events, 64-bit collision filtering, world stepping and sleep controls.

Simplifies integration with Storyblok's API, enabling easy fetching of stories, datasources, links, and tags. Features lightweight, cross-platform compatibility with coroutine-based asynchronous requests.

Simplifies integration with Vertex AI PaLM API for creating and training generative models. Supports Android and iOS with an intuitive abstraction layer, enhancing mobile app development.

Robust, easy-to-use library for cropping images with a single codebase, featuring a user-friendly UI and supporting both Android and Desktop platforms.

Offers data bindings for handling the Static Analysis Results Interchange Format (SARIF), facilitating easier integration and manipulation of static analysis outputs.

Low-level cryptographic components for creating small, single-purpose modules. Includes digest, MAC, and XOF implementations with interoperability for Java security features, supporting various algorithms and extensible outputs.

Enables easy creation of adaptive horizontal and vertical stacks with Compose, ensuring seamless integration and flexible layout management for user interfaces.

Facilitates development of applications powered by large language models, offering interfaces for chat API providers, respondents, and chat models, with streaming capabilities and context-building tools.

Facilitates extraction of comprehensive Google Play Store app data, including descriptions, developer info, categories, reviews, and metadata, using JSON parsing and HTTP requests.

Transforms Ktor requests into cURL logs, enabling easy debugging and logging of HTTP requests. Offers customization for excluding or masking headers in generated logs. Inspired by Ok2Curl.

Streamlines remote configuration management, offering flexible syntax for declaring configuration elements, multiple data sources, and debugging capabilities. Supports feature-specific configurations with logging and interception functionalities.

Enables seamless file downloading, local saving, and opening through the system's default application, while abstracting platform-specific details for a streamlined experience.

Announces UI messages to native screen readers using JNA, offering CompositionLocal helpers and Swing integration, supports assertive/polite priorities and returns success status.

In-app update manager offering pluggable release sources (GitHub-ready), streaming download progress via StateFlow, customizable asset matching, installer hooks, optional Compose UI components, pre-release and background update support.

Semantic icon token system mapping stable tokens to interchangeable icon packs, supporting vector and glyph renditions, fallback chains, three-tier tokens, and variable-font Material Symbols for variants.

Multifunctional tool enables drawing on canvas with customizable stroke, color, and opacity. Offers undo/redo, reset, dynamic updates, and background options. Future updates include erase tool and import/export features.

Facilitates currency management by providing classes for handling ISO 4217 currency codes and details, including code validation and retrieval of internationalized currency information.

Empowers developers to create and manage AI agents with a streamlined DSL, offering error handling, logging, and integration with the ecosystem to transition from PoC to production.

Toolkit offers reusable components like a state machine, recycler adapter, event observer, delegate properties, and foldable state handling to streamline software development.

Lightweight migration library manages version-based updates, supporting rollback and recovery. Ideal for configuration changes, file migrations, database updates, with observer monitoring and customizable recovery strategies.

Enables handling of screen results for Compose Navigation3, addressing the absence of native support for screen result handling. Utilizes SavedState architecture, ensuring reactivity and state persistence across screens.

Android-style d()/i()/w()/e() logging with tag-first design, zero-configuration, coroutine-safe and thread-safe; composable loggers (combine), easy custom implementations and straightforward Java interoperability.

Rapid development framework integrating logic, services and UI with modular DSL, type-safe APIs, flexible navigation, native components, custom themes, responsive layout, and client-server collaboration.

Vector and raster shape primitives with transforms, boolean operations, tessellation, SVG parsing, animation, hit‑testing and GPU‑accelerated rendering, plus caching and scene composition.

Includes basic helpers and standard library result extensions, enhancing functional programming capabilities with simplified result handling. Supports different versions for compatibility with specific language versions.

Snapshot manager for tests, automatically generating and asserting against a persistent serialized representation of objects. Utilizes compiler plugin for key and path injection, supporting various annotations and functions for seamless integration.

API to support ICU string normalization for OkHttp across different platforms, leveraging native implementations. Integrates via Git Submodules and requires Git LFS for development.

Small library enabling efficient asynchronous peer-to-peer communication with type-safe contracts. Features include unidirectional remoting, Ktor transport adaptors, code generation, and extendable binary serialization.