Browse Kotlin Multiplatform libraries

Implementation of HL7 FHIRPath with ANTLR-generated parser, strict timezone-aware datetime semantics, UCUM unit support, codegen helpers, validation, conversion, comparison, and conformance-tested evaluator.

Enables centralized event tracking definitions, generating platform-specific tracking code and facilitating event logging with services like Firebase through customizable event trackers.

Implements Quite OK Image (QOI) format reading and writing functionality. Utilizes Okio for file system interactions, supporting various input sources and output destinations.

Optimizes data-fetching by batching and eliminating duplicate calls, reducing database/API load. Utilizes coroutines for asynchronous data loading, ensuring efficient and streamlined data retrieval.

Serves as a common data container for singing synthesis software, using JSON format. Supports multiple programming languages with conventions for timing, pitch, and musical notation.

Combines various utility projects into one, offering modules for core utilities, coroutines, environment configuration, and logging. Supports multiple platforms with comprehensive module documentation.

Empowers creation of domain-specific types, addressing Primitive Obsession through a framework inspired by Refinement Type Theory. Useful for Domain-Driven Design, offers flexible type refinement.

Multiplatform navigation library enables seamless integration with Jetpack Compose, supporting features like linear, nested, tab, and bottom sheet navigation, along with state restoration and deep linking capabilities.

Parses and serializes OpenAPI JSON files into data classes, handling union types and x- properties efficiently. Offers easy integration and usage within projects.

Offers Hex, Base32, Base45, and Base64 encoding and decoding capabilities, enabling conversion between byte arrays and encoded strings with ease.

Client library enables creating and exposing custom metrics with typed labels and a domain-specific language, offering coroutine-friendly and Ktor support for seamless integration.

[WIP] HTML parser for Kotlin Multiplatform

Enhances bean fields with mutable state capabilities, allowing direct use as `MutableState<T>`. Automatically converts non-constructor attributes and supports serialization customization and Compose variability annotations.

Fetches game information from IGDB, supporting HTTP clients, Twitch authentication, multi-queries, automatic retry, image URL helpers, and webhook integration. Offers server proxy configuration and request customization.

Facilitates cross-platform development by providing setup commands and examples for Android, iOS, web, and React Native. Supports unit testing and local publishing with detailed documentation.

Manages and provides access to Lorcana card data, offering raw JSON files and an API for retrieving card lists, variants, abilities, and franchise information.

Enhances lambda performance in inlined functions by optimizing their storage in local variables. Enables struct emulation in code with no extra cost. Currently experimental.

Library for algebraic computations, offering mathematical utilities and functions. Facilitates algebra-related tasks with comprehensive documentation available online.

Modern, object-oriented, multi-target programming language designed to offer versatility and adaptability across various platforms.

Type-safe DSL and finite state machine implementation ensures robust state management with atomic state transitions. Invalid transitions raise compile-time errors, preventing unintended behavior. Lightweight design.

Demonstrates a multi-project build setup for creating JVM, JS, Desktop, and Web applications. Offers publishing capabilities, native image generation, containerization, and OpenTelemetry integration for comprehensive application development.

Offers a comprehensive suite of RDF and SPARQL tools, featuring modular design, RDF DSL, SPARQL engine with incremental evaluation, and support for various RDF representations.

Offers a positional code API and introspection framework with features like `SourceLocation`, `FunctionInfo`, `ClassInfo`, and `AnnotationInfo` for enhanced introspection and compile-time evaluation.

Facilitates interaction with Lemmy instances through a backwards compatible API. Adjusts requests/responses for different versions, supports feature checks, and automates code generation to minimize maintenance.

Enables bio-authentication in applications using native platform APIs, supporting various environments. Facilitates seamless biometric integration, offering customizable authentication flows and native fine-tuning options.

Customizable animated loading components for Compose UIs — stylish effects like DotSpinner, BarsWave and SonarWave, configurable colors, sizes and durations for effortless loading states.

Adds FreeSpec-style DSL, data-driven and property testing, per-test fixture generation, and improved test-name/display handling with compacting and collection/byte-array stringification for test suites.

GA4 analytics via Measurement Protocol v2, sending events directly from app code; queues and persists events for reliability; supports custom events, page-view/search tracking, user properties and consent controls.

Analytics SDK for PostHog offering event capture, user identification, feature flags with payloads, group and screen tracking, error reporting, super properties, and GDPR opt-in/out.

Asynchronous operation state modeled as NotStarted, Loading, Success, Error with functional-style extensions, Either interop and testing helpers for concise, explicit handling of load/error flows.