Browse Kotlin Multiplatform libraries

Global phone-number validation, region and country-code checks, E.164/international formatting, region/calling-code extraction and structured parsing — built atop native parsing libraries for accurate results.

Library facilitates interaction with the Terra blockchain, offering tools for wallet management, transaction signing, and broadcasting. Currently supports legacy amino format with plans for protobuf integration.

SDK facilitates streamlined integration and development with customizable templates. Encourages open-source collaboration, allowing users to suggest features or improvements and report issues following established guidelines.

Facilitates MQTT protocol communication, supporting multiple platforms for seamless message exchange and connectivity in distributed systems. Offers a versatile toolset for developing MQTT-based applications.

Offers a client SDK for accessing file-related features like login, file upload/download, and folder management. Missing shared folder support, link features, and user support.

Integrates open APIs with comprehensive support for async operations, offering features like bot management, chat services, and workflow execution. Simplifies authentication and provides cross-platform demo applications.

Facilitates creating, signing, and submitting Stellar network transactions. Supports sharing code across server and web front-end, aiming for future Soroban support.

Open/close Widevine sessions, build/verify SignedMessage license requests/responses from PSSH, parse/convert PSSH boxes, extract and decrypt content keys, with protobuf models and multiplatform-safe crypto.

Enables implementation of cryptographic primitives and SDK functionalities with wrappers for cross-language use, supporting unit tests across platforms and browser tests on Chrome and Firefox.

Enables seamless integration of secure and reliable payment experiences into native Android and iOS applications, enhancing user convenience and transaction security.

Integrates a feedback system into projects, offering feedback submission functionality. Currently under development and supports various platforms, enabling easy feedback collection through straightforward methods.

Driverless access to network-attached scanners via AirScan (eSCL) protocol, implementing spec quirks and ensuring broad device compatibility with an easy-to-use, feature-aware API.

On-device AI runtime enabling speech recognition, TTS, and local LLM inference with offline RAG, auto model downloads, streaming generation, and GPU acceleration for low-latency, privacy-preserving apps.

Server-driven native paywall rendering backend JSON into Material 3 UI, with A/B testing, subscription management, variable templates, expression evaluator, DI, billing integrations and WebView fallback.

Compiler-plugin stack enabling typeclass-oriented programming via context parameters; implicit evidence search, rule-style instances, derived instances, proof materialization, and Gradle/IDE integration.

SDK facilitates integration with Iterable's API, offering a similar experience to the Android SDK while supporting seamless usage in both iOS and Android projects.

Enables use of `android.os.Parcelable` from common code, facilitating data serialization across different platforms. Integrates into projects using Gradle, enhancing code portability and modularity.

Unified API facilitated integration with Datadog by offering core and bundled modules, allowing flexibility in dependency management and implementation for applications. Now deprecated.

Unofficial client library facilitates interaction with the Lokalise API, offering support for JVM and other platforms. Enables logging of HTTP communications for enhanced debugging.

Implements the UMA protocol for seamless integration in applications, offering easy installation via Maven or Gradle, with comprehensive documentation and sample implementations available.

Enables interaction with the unofficial VRChat API, supporting all REST calls. Includes authentication, user information retrieval, and guidelines for responsible API usage.

Ensures accurate tracking by monitoring app-to-data destination traffic, detecting analytics changes, and warning of inconsistencies like hit drops or rogue events in analytics implementations. Advanced configuration and testing features included.

Combines multiple printer implementations into a user-friendly interface, supports PAX, Sunmi, Verifone devices. Automatically selects the correct printer, enables logging, and handles barcode encoding. Includes plugins for Star Micronics and Epson printers integration.

Performs remote app-update configuration fetching and resolves update status, version, and metadata; offers customizable configuration parsing, requirements checking, loaders, storage, and version providers.

Declarative Compose wrapper for Naver Map SDK with overlay DSL (markers, polylines, polygons), camera animations/fitBounds, location tracking, UI controls, night/indoor modes, and Gradle plugin.

Unified API for managing events, push notifications, and in-app messaging, emphasizing consistent integration, streamlined onboarding, and fast time-to-value for cross-channel engagement.

Offline-first local data store syncing with remote servers — immediate local persistence, queued offline requests, automatic reconciliation, 3‑way merge conflict resolution, placeholder ID handling, and retryable sync.

Lightweight geofencing library offering lambda/callback-based enter/exit events, permission status checks, dynamic add/remove of circular geofences, background-capable event listeners, easy integration.

In-app debugging overlay for inspecting logs, HTTP traffic, and analytics with syntax-highlighted JSON, secure header redaction, body truncation, modular plugin panels, and zero release overhead.

Converts Cursor-on-Target XML into TAKPacketV2 protobufs, compresses with zstd using dual dictionaries for LoRa, sanitizes mesh XML, and encodes compact structured payloads with delta geometry.