Browse Kotlin Multiplatform libraries

Wrappers around code documentation tools generate a common JSON output for Orchid. Supports Java, Kotlin, Groovy, and Swift documentation tools like Javadoc, Dokka, Groovydoc, and SourceKitten.

Wraps the libtorrent library, simplifying Java-C++ type conversion, error handling, and native library distribution. Provides low-level APIs; high-level APIs available in Animeko.

High-performance library for OpenLDAP's LMDB, offering type-safe API, direct native bindings, ACID transaction support, memory efficiency, and custom sorting logic for key-value storage.

Shared API wrapping Google ML Kit native SDKs for Vision and NLP, handling interop, image inputs, threading, and result mapping with simple, integration-friendly APIs.

Simplifies JNI interactions with concise syntax for calling methods and converting strings. Features a DSL for registering JNI methods, enhancing code readability and ease of use.

Enhances casting functionality by providing polyfills for safely casting instances, enabling type inference without disrupting typing flow, even for non-public functions.

High-performance compression toolkit offering ZStandard (zstd) with SliceTransform streaming API, ByteArray transforms, kotlinx-io piping, native backends via NativeBuilds, and more algorithms planned.

Facilitates rule evaluation through a context-driven engine, leveraging metadata and contextual data. Ensures immutability and supports program rule evaluation with customizable expression evaluators.

High-performance xxHash implementations (XXH32, XXH64, XXH3_64bits, XXH3_128bits) with consistent API, native C-backed fast paths, pure fallback implementations, seeded and slice hashing support.

Implements Union Type for JavaScript, JVM, and Native, supporting TypeScript unions and control flow operations like 'map'. Enables external declarations and type-safe computations across platforms.

Library enables system media session management, providing functionality to handle media playback, seek operations, and metadata setting. Supports asynchronous session activation and customizable callbacks.

Provides a multiplatform wrapper for Couchbase Lite, facilitating database initialization, collection creation, and integration with Android. Encourages open-source contributions and collaboration for feature improvements.

RFC 6455-compliant WebSocket client with permessage-deflate compression, suspend-friendly I/O and Flow-based messages, zero-copy frame pipeline, SIMD-optimized masking, and Autobahn compliance.

Unifies JNI usage across native targets, offering rich type-conversion helpers, annotation-driven generation of C-style JNI stubs, and seamless Java-to-native calls that remove boilerplate.

Open-source library for building modular synthesizers and audio processing applications. Enables high-performance audio processing and allows composing and connecting audio modules with a modern, idiomatic API.

Lightweight wrapper for Opus audio codec, enabling audio encoding and decoding via bindings. Offers complete API access, native library optimization, and extension functions for enhanced control.

AVIF image encoding and decoding — lightweight bindings offering simple API for encoding/decoding, format conversion, quality control, and metadata handling for image processing workflows.

Coroutine-friendly bindings for FoundationDB providing a unified typed API, transactional helpers with automatic retries, futures, tuple utilities, tenant management and range iterator support.

Rust-backed authenticated-encryption wrapper offering AEAD (ChaCha20-Poly1305) encryption, key derivation, high-performance native execution, memory-safe primitives, AutoCloseable-style create/use/close resource management, and simple encrypt/decrypt API.

Library facilitates sample-based synthesis for generating audio data by loading `.sf2` files from memory, integrating seamlessly with projects without requiring additional configuration.

Cross-end MMKV wrapper enabling shared-layer key-value persistence with native SO/C-interop support, special adaptation for an alternate OS, unified buildchain and simple initialization/publishing.

Vulkan API bindings adding type safety, RAII-based resource management, exception handling and ecosystem integration; streamlines instance creation, error handling and graphics resource lifetime.

Kotlin-based SDK integrates with Segment, enabling analytics tracking, identification, grouping, and screen tracking across iOS and Android from a common codebase.

Provides a wrapper for the SauceNAO API, enabling image search requests using URL strings. Currently in preview; some information accessible via `SauceNaoAnswer#row`.

Enables efficient RabbitMQ/AMQP communication through publish/subscribe, request/reply schemes, and fast asynchronous processing with coroutine support. Offers configurable queues and automatic recovery features.

Enables interaction with Johnny-Five library using JavaScript wrappers, facilitating Arduino component control such as LED, Servo, and Button, for hobby projects with Node.js compatibility.

Phone number parsing library based on Google’s Libphonenumber. Validates, normalizes, and formats phone numbers, with embedded metadata for efficient runtime performance.

Parses and renders CommonMark Markdown syntax, transforming Java files to Kotlin. Offers full CommonMark compliance, extensibility, type safety, and support for multiple platforms.

Simplifies HTTP usage with a builder-style API, typed configuration, and interceptors for logging, authentication, and error handling. Customizable through a unified response model.

Unified, type-safe Mixpanel analytics wrapper offering a single API for tracking events, properties and purchases, with simple initialization and flexible event/property mapping.