Browse Kotlin Multiplatform libraries

Website and backend API for managing in-app push notifications, offering a web frontend, REST endpoints, authentication, delivery pipeline, analytics hooks, and third‑party integrations.

ESC/POS thermal printing via Bluetooth, TCP and USB with unified API, customizable ESC/POS commands, easy integration, extensible connectivity, ideal for receipts and POS workflows.

Website and backend API for a ringtone service: serves the user-facing site, exposes REST endpoints, handles authentication, content management, and media delivery.

Preview generated stubs, inspect declaration differences, and compare API signatures with a lightweight interactive viewer offering instant diffs, annotation hints, and easy navigation.

SAX-style RTF reader/writer emitting sealed event streams and styled-text models, with streaming I/O adapters, Markdown↔RTF and AnnotatedString converters, robust charset and Unicode handling.

Localization library for date/time objects, offering localizer classes, options and localize() extensions, with standalone vs absolute formatting for months, weekdays, time zones, dates and durations.

Native Box2D v3 bindings exposing familiar world/body/shape APIs, contact and hit events, advanced collision filtering, sleep control, and high-performance benchmarks.

Version-check, download and installation toolkit for VTcode POS apps; automates update detection, secure binary fetching, integrity verification, and seamless installation workflows.

Represents tri-state fields—absent, explicitly null, or present with value—ideal for PATCH/partial updates; serializes to natural JSON shape and supplies helpers to apply and inspect patches.

Tiny decimal arithmetic API for precise monetary and exchange-rate values avoiding binary floating point; supports parsing, formatted I/O, 38-digit decimal context, rounding, base-unit conversions, serialization.

Augments enums with string conversions, parsing from integers, iteration, variant metadata and messages, discriminants, variant arrays/names, and compile-time generated utilities with optional debug dumps.

Annotation-driven derivation of rich error types: auto-generated Display, source/From wiring, backtrace handling, message interpolation and transparent forwarding for concise, ergonomic error definitions.

Enables async methods in interfaces via generated adapter types and shims; faithful line-by-line port with provenance headers and strict porting discipline.

A standard Kotlin library that includes custom memory managment, profiling, vector math, extended concurrency and other utilities.

Circuit-based, zero-allocation frontend skeleton enabling deterministic, nanosecond-tier, lock-free data pipelines via flat, preallocated arrays, compiler-enforced memory budgets, SoA ECS and native UI bindings.

Typed JSON-RPC client for codex app-server: coroutine-driven session with response correlation and notification flows, high-level typed APIs, stdio/websocket transports, schema generation and testing tooling.

Logging to console, files, network, SigNoz and Firebase; global crash handling across coroutines, threads and native signals; install wrapper protects entry point and writes persistent, async-signal-safe crash reports.

Animated, brand-neutral button component morphing between expanded label and circular loading states, with filled/outlined variants, multiple shapes, and customizable colors, borders, elevation, and typography.

Asynchronous icon loading with on-the-fly Iconify API fetching, multi-server fallback and circuit-breaking backoff; zero bundled assets, global in-memory cache, and easy declarative usage.

Unifies diverse LLM providers behind a single OpenAI-style API: streaming-first chat/embeddings/voice/realtime/batch modalities, per-model health-aware fallback chains, outbound control-plane auth and extensibility.

Native WebGPU binding wrapping gfx-rs wgpu-native, offering low-level WebGPU API, example apps and demos, API reference, and straightforward integration for native projects.