Browse Kotlin Multiplatform libraries

Unofficial, open-source library facilitates seamless interaction with Umami web analytics API, offering type-safe, asynchronous integration, lightweight design, and privacy-centric analytics for multiple platforms.

Monitors errors and reports exceptions, collecting diagnostic information and notifying development teams for quick issue resolution. Supports configuration of error types and uploading symbol files for full stacktraces.

Serialization scheme for CSVs ensures durability, handling complex structures like sublists and polymorphism without failure. Encodes non-representable types using a fallback string format, defaulting to JSON. Handles non-standard CSVs and supports sequence and list reading with complex field handling.

An image loading library features asynchronous image loading, memory and disk caching, GIF and SVG support, and integrates network authentication. Supports vectors and XML configurations.

Enables seamless integration of Rive animations into Android and iOS applications through a unified API, supporting playback controls, state machine manipulation, and resource management.

Fetches real-time London Underground tube status using Transport for London API. Offers ready-made UI components, authentic branding, and seamless offline handling for Android and iOS applications.

Transforms Markdown into composable functions with inline embedding of code, customizable preprocessing and rendering hooks, and optional directory aggregation support for streamlined function access.

lucene-kmp is a KMP port of Apache Lucene enabling On-device indexing and full text search capabilities in Android, iOS and desktop apps.

Lightweight, efficient library for XML parsing with a simple, flow-based API, enabling asynchronous handling of XML parsing events. Offers write-once, run-anywhere functionality without heavy dependencies.

Utilities for Minecraft queries: check Java/Bedrock server status, fetch player UUIDs and profiles, remote console and server management protocol SDK.

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.

On-device AI for mobile apps, integrating Koog Agents with local small language models; enables privacy-focused offline tool-calling, easy model download/management, multi-backend inference and streaming.

GPU-accelerated vector map engine offering WGPU-based rendering, RustyBuzz text shaping, custom tiles and tile server, routing integration, plus navigation features like map‑matching and dead‑reckoning.

Network I/O API offering suspendable connect/read/write/close, coroutine-friendly flows for stream consumption, TLS support, server/client helpers, and buffer-based read/write with auto-close lambda.

Lightweight logging API offering lazy-evaluated message blocks, automatic call-site tag inference, configurable format strategies, disk logging with rotation/cleanup, and multiple concurrent loggers.

Compress images, video and audio with native hardware encoders through one API — zero binary overhead, probe/capability checks, progress callbacks and typed errors.

Flexible ORM simplifying database CRUD on plain classes with annotation-free mapping, lazy loading, coroutine-based transactions, paginated queries, stored-procedure support, composite-key handling, and native driver access.

iOS 26–style frosted-glass surfaces for Compose: backdrop blur, chroma lift, edge sheen; quality tiers with graceful degradation, zero‑alloc fallback, dynamic sheen, grain and refraction.

Annotation-driven caching for Retrofit, OkHttp and Ktor: safely cache POST/GraphQL queries, auto-invalidate on mutations, dynamic template key resolution, converter-agnostic raw-byte storage.

Modern, fully-composable HSV colour picker using Brush+Canvas rendering, hoisted HSV-A state, modular pickers (SV box/circle, linear and arc sliders), presets/shades, theming and hex copy.

Facilitates semantic versioning management through building, comparing, and incrementing version numbers. Supports flexible version creation using string or integer parameters, and allows copying with modifications.

Lightweight network client facilitates multithreaded HTTP requests, utilizing NSUrlSession for iOS and OkHttp for Android. Supports custom headers, JSON decoding, and advanced multithreading techniques.

Low level common utilities for contiguous memory manipulation

Enhances test readability by organizing them into structured sections using setup, exercise, and verify functions. Supports coroutine-based tests with async module and offers lifecycle logging for debugging.

Cross-platform ETH web3 client integrates with web3.swift and web3j, enabling Ethereum blockchain interactions. Requires iOS 13 or later for mobile deployment.

Open-source library facilitates interaction with the Pronote student administration service, enabling timetable retrieval and student tool creation without using official web services. Not affiliated with Index-Education.

Implements text spacing functionality from pangu.js, enabling automatic spacing between Chinese and English characters. Offers a singleton and extension function for seamless integration in text processing tasks.

Offers a unique string format encoding system for creating structured, parameterized codes. Enables parsing, reading, writing, and serialization with customizable rules and escape sequences.

Implements a straightforward Redux/MVI approach for building applications with predictable state management.