Browse Kotlin Multiplatform libraries

Localized display names and locale-aware formatting for day/month enums and date/time values — supports FULL/SHORT/NARROW text styles, configurable FormatStyle, and underlying localization APIs.

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

Service locator implementation of the dependency injection pattern, offering flexible object lifecycle management with single-instance, late-init, and factory-based dependencies, suitable for simple to advanced use cases.

Minimizes boilerplate by generating mapping functions between annotated types, supports custom transformations, parameter aggregation, and handles mapping discrepancies with annotations, enhancing code efficiency.

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.

Lightweight read-write mutex implementation inspired by Golang's `sync.RWMutex`. Utilizes extension functions for simplified read/write lock management and state checking.

Simplifies replacing real CoroutineDispatchers with TestDispatchers by passing a DispatcherProvider through CoroutineContext; includes runTest/TestScope integrations, default dispatcher-to-test mapping and lint rules.

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.

Manages remote configuration for Android/iOS apps, utilizing property delegation for configuration contracts. Supports various config sources, processing, validation, custom properties, and JSON extensions.

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.

Simplifies duration handling with extension properties, offering conversions to `Double` and `Int`. Provides `Duration.inDouble*` and `Duration.inWholeInt*` functions for concise value retrieval.

Utility library enhancing standard library with additional functions like `failIf`, `takeIf`, `blankToNull`, and tuple handling. Offers missing functionalities for improved code expressiveness.

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.

Unified core library optimizes packet build, modification, delivery, and post-processing with dynamic policy configurations, extensive extensions, and future SQLite support for efficient data packet management.

Enhances standard library functionality, offering additional utilities and improvements. Easily integrates through MavenCentral for streamlined dependency management and improved code quality metrics.

Compile-time units library for minimal runtime overhead, enabling type-safe operations, unit conversions, and arithmetic on physical quantities with extension properties and collection support.

Enhances code readability by using code folding to display backticked function calls without backticks, supports custom "pretty" names for functions via annotations, and aids DSLs with unique operators.

Enhances conditional logic with functions like `whether`, `either`, and `inCase` for streamlined lambda execution based on boolean evaluations, optimizing code readability and flow control.

Enhances error handling with a custom `Result` type, allowing flexible error types and eliminating the need for wrapping results in Ok/Error objects, streamlining code efficiency.

Lightweight decimal wrapper around BigDecimal simplifying fixed-point math: intuitive operators, HALF_UP rounding, high-scale division, scale-insensitive equality, handy round/eq extensions for calculations.

Annotation-driven compile-time code generation of type-safe, bidirectional conversion functions between similar data classes, producing zero-overhead mapping methods like .toOtherType() via an annotation processor.

Core foundation delivering type-safe environment detection, UUID V4/V7 generation, DSL markers and opt-in annotations, plus lightweight, concurrency-ready utilities for consistent ecosystem development and small footprint.

Modernizes Brigadier's command-building API, enhancing multiplatform support and allowing source type mapping for seamless command creation without platform dependency. Features improved API closely mirroring Brigadier.

Offers utilities for caching function outputs, pretty-printing data classes, functional extensions, and serialization. Includes features like deserializing from functions, transforming objects, and polymorphic deserialization.

Simplifies Vehicle Identification Number tasks with validation, information extraction, and NHTSA database integration for vehicle details like type, make, and model. Offers extension functions for streamlined API usage.

Library enables arbitrary precision arithmetic with a unified API, offering type-safe, natural syntax and platform-optimized implementations. Supports advanced math operations and seamless multiplatform functionality.

Enhances the standard library with useful extensions, offering additional functionality for more efficient and convenient programming.

Enhances standard library with essential extensions, streamlining common tasks. Easily integrated into projects via dependency management. Regular updates ensure access to latest features.

Lightweight, high-performance country dataset embedding ISO 3166-1 codes, names and flag emojis; type-safe code wrappers, O(1) lookups, expressive DSL queries, tiny binary footprint.

Adaptive UI scaling using design-draft-based width/height ratios, extension properties (.w, .h, .r, .sw, .sh) and responsive font sizing (rsp); customizable font-scale behavior.