Browse Kotlin Multiplatform libraries

Interact with ESC/POS thermal printers via TCP/IP or USB, with reactive connection monitoring, off-screen UI capture into print-ready raster, barcode/QR support, and fluent ESC/POS command API.

Single standalone PDF engine: parser, renderer, writer, encryption, fonts, text extraction and true redaction; build, edit, incremental saving, composable viewer and headless rasterizers for thumbnails and exports.

Lightweight unified logging library offering zero-cost disabled logs, automatic class-name tags without stacktrace, simple per-level API, and pluggable output strategies.

Implements Discord-like swiping and static side panels for user interfaces, mimicking layouts from Discord's Android and Desktop apps.

Implements RFC 6902 JSON Patch, enabling JSON diff generation and patch application. Offers Kotlin extensions and uses `kotlinx.serialization.json` for convenient integration and usage.

Enables integration with Open-Feedback for session voting through Firebase. Offers customizable UI components with Compose and provides functionality to track and maintain stable UI metrics.

Integrates feature flag and configuration management, enabling real-time feature toggling and user-specific targeting. Supports multiple polling modes and caches settings for efficient retrieval.

SQLDelight driver leverages SQLite3MultipleCiphers for encrypted database management, enabling seamless configuration, key management, and migration of encryption settings across software releases.

A Compose Multiplatform Navigation Library that supports the coolest transition features like predictive back gesture(iOS, Android), Shared Element Transition(All). It supports Mobile(Android, iOS), Desktop(Jvm, MacOS), Web(Wasm, IR).

Enables creation of custom virtual gamepads with support for controls like analog, button, cross, and face buttons for games and applications.

Manages websocket connections, handling ping-pong, event notifications, and connectivity status changes. Supports easy integration, subscription to events, and telemetry endpoint connectivity.

Facilitates seamless data transmission and communication, enhancing development efficiency with ongoing documentation and support for robust integration within various systems.

Library facilitates cross-platform haptic feedback by offering predefined and custom effects, Compose support, and platform-specific DSLs for creating responsive user interactions.

Powerful calendar library offering enhanced design and extensibility. Supports Gregorian, Chinese lunar, Tibetan, and other calendars, alongside zodiac signs, solar terms, and public holidays.

Customizable "See More" text for creating expandable and collapsible text components. Handles overflow with options for styling and inline or non-inline links.

Material ripple effect for any Compose UI; single rememberRippleIndication() for plug-and-play integration via CompositionLocal or theme, customizable color, alpha (Material3 defaults), bounded/unbounded behavior.

Snackbar-style API for elegant toast notifications with stacked toasts, gestures (tap-to-pause, swipe-to-dismiss), category theming, auto-dismiss and smooth spring animations, customizable visuals and easy integration.

Lightweight memory-mapped I/O offering random access to large files, virtual memory-backed Source/Sink abstraction with efficient streaming, minimal overhead and zero-copy operations.

Drastically speeds server development with high-level abstractions for databases, cache, email, SMS, and file storage; typed HTTP/WebSocket endpoints, auth flows, auto-generated docs and SDKs, Terraform output.

Simplifies C/C++ integration: config-driven Gradle builds, automatic interop generation, dependency wiring, and streamlined compilation/linking for multi-target projects, IDE-friendly and reproducible.

On-device debug logger capturing HTTP, MQTT and Bluetooth traffic — live browser and capture notification, structured AI-ready exports, secrets redacted at capture, memory-only ring buffer, noop release artifact.

Facilitates discovery of SSDP devices on a network, supporting unicast and multicast search messages. Offers state management, customizable logging, and adheres to UPnP Device Architecture 2.0 specifications.

Enables interaction with the Solana blockchain, facilitating transaction creation, signing, and RPC communication. Offers modules for keypair generation, Metaplex API, and NFT handling.

Adds structure to form creation and management on Android, supporting validation and error reporting. Enables defining custom validation functions and observing form fields for feedback and focus requests.

Implements BSON data format, enabling serialization and deserialization functionality. Automates release process through evergreen, with snapshot and official version management via Sonatype.

Offers a user interface component for selecting colors, inspired by the AOSP Compose samples, suitable for integration into user applications.

Enables use of font-based icons in Compose Multiplatform, supporting variable fonts, multiplatform resources and platform-specific resources.

Enables usage of the YouTube Music API, optionally with user authentication. Offers interfaces for direct API access and custom implementation, featuring example usage guidance.

Enhances mathematical operations with matrices, vectors, combinatorics, and more, offering functionalities like factorial, tetration, matrix manipulation, graph construction, complex numbers, and vector operations.

Facilitates audio integration in applications, supporting file formats like MP3 and AAC. Enables audio playback, pausing, stopping, and memory management with `Audio` and `AudioByte` classes.