Browse Kotlin Multiplatform libraries

Client library for interfacing with the SponsorBlock API, enabling retrieval and voting on video segments using Ktor. Offers both guest and authenticated user functionalities.

Extracts YouTube video information such as titles, descriptions, and streaming URLs, with built-in retry for data fetching. Supports Android, Desktop, and other platforms.

Interacts with JSONAPI-compliant APIs, allowing definition and configuration of resources, attributes, and relationships. Supports automatic resource generation and querying, including filtering and pagination.

Works with geospatial data, offering GeoJSON implementation and Turf.js port for spatial analysis. Divided into modules for structured geographic data and spatial operations.

Enhances user interfaces with stylish progress indicators, offering a variety of visually appealing, customizable designs like circular and text progress types with smooth animations.

Gradle plugin generates binding code for accessing native libraries in multiplatform projects, utilizing cinterop for native support and Jextract for JVM integration. Experimental features included.

Enhances API contracts for JavaScript clients by generating JS-friendly functions and class constructors. Enables passing arguments via destructured objects, improving code readability and reducing bugs.

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.

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.

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.

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.

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.

Dependency-injection library offering both precompiled and runtime registration paths, merging compile-time performance with runtime flexibility; fast injection, parent-child scopes, minimal boilerplate and small binary impact.

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.

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.

Offers extensions and implementations for standard and third-party libraries, enhancing functionality with modules like comparators, Jetpack Compose support, localization, and serialization for various data types.

Enables intuitive JSON-to-class conversion using delegated properties, supporting seamless integration for Java 8+, Android, and JavaScript environments, with documentation readily accessible online.

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.

Offers a simple shell application emulating Unix shell behavior with virtual file operations and permission settings. Includes an SDK for developing extensions and easy downloading of plugins.