Browse Kotlin Multiplatform libraries

Compose Multiplatform animation library parses Adobe After Effects animations, inspired by Airbnb/Lottie. Features include loading animations from files, URLs, or JSON strings, controlling playback, adjusting speed, setting iterations, and observing state changes.

Implements Elm-inspired Model-View-Update architecture for creating composable, testable programs. Utilizes a common codebase with a `render` function for platform-specific frontends.

Generates and manages code for Protocol Buffers with features like clean data class generation, JSON serialization, oneof handling as sealed classes, and support for proto2 and proto3 syntaxes.

Facilitates deep copying and updating of data class properties using `copy` or `invoke` functions. Adds new functions and properties, supports lambda updates, and enhances immutability without reflection.

Multifeature camera UI library for capturing photos and videos with zoom, tap-to-focus, flash/torch, exposure control, multi-lens support, 30/60 FPS recording, stabilization, and code scanning.

Provides an MQTT 3.1.1/5.0 client and broker supporting TCP, TLS, and WebSocket connections. Features include clustering, enhanced authentication, session persistence, and various platform compatibility.

Generates color palettes from images, including the dominant color, and integrates with Material themes. Supports various image sources and provides extensions and composables for easy implementation.

Material 3 country-code picker UI offering 250+ countries with flags and dial codes, phone validation/formatting, accent-normalized search, responsive dialogs, keyboard navigation, and multilingual support.

Simplifies in-app purchases and subscription management with features like server-side receipt validation, real-time event notifications, remote product configuration, and seamless integrations for analytics and attribution tools.

Library for functional and reactive domain modeling using Domain-Driven Design patterns, optimized for Event Sourcing and CQRS. Includes isolated domain models, application orchestration, and support for state-stored and event-sourced systems.

Facilitates URI and URL parsing, manipulation, and encoding/decoding based on AOSP's Uri and UriCodec implementations. Integrates easily with Gradle for seamless dependency management.

Library suite and tools for issuing, presenting, and verifying mDL/VC credentials using ISO mdoc, SD‑JWT, W3C Digital Credentials, OpenID4VP, and zero-knowledge proof integration.

Compose-multiplatform navigation library leveraging Decompose to manage screen configurations with a `Router`, supporting retention of view models across configuration changes and multiple platforms.

Modern text editor integrates AI, focusing on offline functionality and privacy. Offers SDK for enhanced text editing experiences in various applications, ensuring data stays on your device.

Multiplatform STOMP 1.2 client with coroutine-based API, offering adapters for popular web socket clients and a built-in web socket implementation for certain platforms.

ORM library enabling direct insertion and querying of objects in a database through a DSL and KSP, leveraging SQLite and supporting serialization/deserialization with kotlinx.serialization.

Facilitates targeting ANTLR-generated lexers, parsers, listeners, and visitors with a specialized plugin and runtime library. Supports multiplatform execution, extensive setup instructions, and benchmarking capabilities included.

Enhances performance by marking data as stable or immutable, allowing the compiler to optimize rendering in multi-module projects. Provides annotations like `Stable`, `Immutable`, and `StableMarker`.

Enables function-like navigation for screens within applications, using a concept of navigation keys as contracts for screen transitions, with support for fragments, activities, and composables.

Improves crash reports on Apple platforms by logging unhandled exceptions with detailed stack traces before app termination, enhancing visibility and debugging in production environments. Solves challenges of error handling differences and exception logging limitations.

Fast, lightweight entity-component system library designed to improve performance and usability for game development. Simplifies API by eliminating redundant components and ensuring null-safety, achieving competitive benchmark results.

Facilitates creating and managing UI components dynamically across multiple platforms, enabling stateful and composable UI representations. Features include static and dynamic tree structures, state management, and support for various rendering engines.

Facilitates seamless navigation in applications by offering features like nested navigation, customizable transitions, deep-link support, and flexible data passing between screens without code generation.

Image viewer library with intuitive gesture effects, large image support, customizable components, and transition animations. Offers image list browsing, pop-up previews, and operates independently of third-party libraries.

Generates mutable models from immutable definitions, simplifying state updates and reducing boilerplate code. Inspired by Redux and Immer, offers atomic field updates and reactive immutable value updates using `StateFlow`.

Declarative navigation library supporting simple and nested navigation, parameters, bottom and tab navigation, side drawers, state saving, and transition animations, with back press handling.

Simplifies Android UI test development with enhanced stability and maintainability. Integrates with existing frameworks and features expressive syntax, customizability, and comprehensive support for Compose, RecyclerView, and Allure reporting.

Elliptical datetime picker implementation featuring customizable wheel pickers for date, time, and datetime selection, supporting various formats and theming options.

Facilitates pagination in codebases, enabling common pagination logic for both Android and iOS. Integrates with platform-specific libraries, exposing paginated data as flows for easy consumption.

Enables real-time network monitoring within applications using Ktor library. Offers configurable settings, session tracking, and supports both static and dynamic frameworks for enhanced flexibility.