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.

Comprehensive cross-platform UI and logic solution offering high performance, unified codebase, and dynamic flexibility. Supports native UI rendering, lightweight SDK, and multiple programming paradigms.

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.

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.

Create native-looking UIs for Mac using Compose UI, with the ability to share UI code across multiple platforms. Includes components like search fields, text fields, checkboxes, and more.

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.

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.

Creates WebGPU bindings for web, desktop, and mobile, enabling cross-platform graphics development. Offers example executions and is progressing through API implementation and refinement phases.

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.

Lightweight embedded interpreter executes type-safe scripts with a subset of standard libraries and third-party support. Facilitates script execution across multiple platforms within a host runtime environment.

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.

Type-safe locale implementation for Android, iOS, Mac, and JVM applications. Integrates locale, country, and language functionalities directly into platform-specific code for seamless localization.

Bluesky/ATProtocol client library enables session creation, authentication, and resource access. Features include OAuth support, PLC directory access, and repository subscription for streaming events.

Forked and rebranded database library, supports building from source on Linux, with updated dependencies and compatibility improvements, enabling local builds and Maven Central publication.

Implements Multicast DNS and DNS-Based Service Discovery, enabling zero-configuration service announcement and discovery within a .local domain. Supports Android NSD, Apple Bonjour, and JmDNS.

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.

Enables seamless integration of WebGPU by providing bindings to the wgpu library using a Rust-based backend, supporting desktop and mobile platforms, with detailed API references.

Tool for importing localized strings from external sources to various project formats, including XML, JSON, and INI files. Supports multiple platforms and integrates with Google Sheets for streamlined localization management.

Library facilitates creating, parsing, signing, and verifying JSON Web Tokens (JWTs) using various algorithms like HS256, RS256, and ES256. Supports custom claims and expiration settings.