Browse Kotlin Multiplatform libraries

Asynchronous, unencrypted persistent key-value storage offering a Web Storage–compatible API, batch operations, multi-database support and simple async get/set/remove methods for React Native apps.

Multi-format linear and matrix barcode detection and generation with high-performance, thread-safe engine, no external dependencies, extensive symbology support, outputs images, SVG or UTF‑8 representations.

Video player library enables seamless playback across platforms, supporting local and URL-based files. Offers customizable UI, media controls, error handling, audio levels, and subtitle integration.

2D game development framework inspired by libGDX and KorGE, offering flexibility and idiomatic features. Supports desktop, web, and Android platforms, with a planned iOS release.

Enables creation of cross-platform system tray applications with native support, offering dynamic menu items, submenus, HDPI improvements, single instance management, and tray position detection using a DSL-style syntax.

Multiplatform compose widget for file picking with native dialogs, supporting file filters, multiple file selection, and directory picking, utilizing fallback options for unsupported platforms.

Displays lazy-loaded items on a scrollable 2D plane, allowing registration of items with defined positions and sizes. Supports pinned rows/columns and relative/absolute sizing.

Displays data in a two-dimensional grid, supporting custom item positioning and sizing, scroll handling, and pinned rows/columns. Built on MinaBox, integrates with Compose UI for seamless layout management.

Monitors network requests and responses, enhancing debugging and analysis of client-server interactions. Features include header sanitization, log retention, and content length management with platform-specific integrations.

Enables seamless integration of interactive, declarative notifications with full support for Android, Linux, and Windows, offering rich user interactivity and cross-platform compatibility.

Creates a composable table with automatic layouts, supporting 2D scrolling, custom cells, sticky rows/columns, and infinite dimensions. Lacks lazy cells and grid lines. Easy to use and highly customizable.

Lightweight library enables auto-launch of applications on system startup. Supports enabling/disabling startup, checking status, and customizing executable paths. Utilizes plist files on MacOS and registry keys on Windows.

Monitors file system changes across multiple directories, emitting events such as create, delete, and modify. Allows observing file events using flows, supports multiple platforms, and provides raw event access for debugging.

Library facilitates access to platform-specific directories for storing application data, configurations, caches, and logs. Supports multiple methods for different directory types and respects platform-specific standards.

Port of JDK's IO classes for cross-platform support, facilitating Java-style IO operations. Offers modules for buffer, charset, URI handling, and seamless integration with kotlinx-io and Okio.

Wrapper for Bitcoin Core's secp256k1 library, facilitating cryptographic operations like signature generation and verification. Offers cross-platform support with native bindings for enhanced performance.

Handles platform-specific application home and cache directories. Provides functions to retrieve appropriate paths for data and cache storage based on the operating system and platform environment.

Fuzzy string matching toolkit offering Levenshtein and MicroFuzz algorithms, token/partial/weighted ratios, extraction utilities for best matches, zero-dependency, fast low-memory performance.

Fully native Apache Kafka client offering synchronous and asynchronous messaging, leveraging coroutines and native memory model for high performance. Supports polling, headers enrichment, and error handling.

Native WebView integration leveraging system web rendering via JNA, offering true native performance, no bundled browser engines, bidirectional JS interop, navigation controls, and state management.

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

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

Wrapper for Tencent Mars XLog enables cross-platform logging with various levels like debug, info, and error, supporting Android, iOS, macOS, Windows, Linux, and web.

Facilitates file input/output operations using the Posix API, bridging standard Java file APIs to native environments across various platforms.

Lightweight memory-mapped I/O offering random access to large files, virtual memory-backed Source/Sink abstraction with efficient streaming, minimal overhead and zero-copy operations.

Enables usage of the YouTube Music API, optionally with user authentication. Offers interfaces for direct API access and custom implementation, featuring example usage guidance.

Develops an interactive console application readline library with history support using a cross-platform approach. Includes REPL-style loop capabilities, configurable line editing, and extensive keybinding options. Integrates Rust's readline functionality via FFI.

Enables logging in shared modules with platform-specific implementations, allowing custom loggers, filtering, logging level control, and tag transformations for flexible log management.

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.

Kotlin bindings to AWS Common Runtime, enabling development of cross-platform applications. Includes an executable for testing CRT bindings with memory tracing and integration test capabilities.