Browse Kotlin Multiplatform libraries

Full-stack CRUD toolkit with MongoDB/SQL backend-agnostic repository pattern, declarative view config, Tabulator grids, RBAC, change logs, file attachments, SSR, shared models, hooks, and API contract discovery.

Lightweight coroutine-based unidirectional data-flow architecture for predictable state management, mapping events→actions→results→state, with interactor pipelines, side-effect handling, lifecycle-scope integration and UI screen binding.

Kotlin Multiplatform location tracking library — current location, last location, and travel distance calculation for Android + iOS

MVI state management with ViewModel lifecycle, composable StateContent, reusable component DSL, typed navigation keys, Navigator API, predictive-back animations, ViewModelStore syncing and saveable backstack state.

Immutable geometry primitives and utilities: 3x3 transformation matrix, integer/float rects and points, plus immutable variants, transformation helpers, and a lightweight API for spatial calculations.

Unified file-system abstraction with stream-first APIs for discovering, reading, and writing files, recursive extension-filtered discovery, storage access framework support, stack-based traversal, and lightweight platform detection.

Lightweight, visual-first advertising SDK simplifying interstitial, rewarded and banner ad integration with visual state indicators, automatic retries, reactive ad switching, and lifecycle-aware loading control.

Abstraction for platform-specific context handling and IO dispatching, offering PlatformContext, a global provider for current context, a PlatformIO dispatcher, and optional automatic initializer.

Customizable liquid-glass background effect engine for UIs, delivering blurred glossy visuals, interactive distortions, example components (buttons, toggles, sliders, bottom tabs) and demo showcase.

Typed asynchronous clients for Twitch OAuth2, Helix REST API, EventSub WebSocket and IRC; stream-based auto-pagination, automatic EventSub reconnect/keepalive, pluggable token and logging.

Authenticate to Soongsil University LMS and fetch terms, courses, todos, attendance, announcements and scores; maintains session cookies/tokens, supports PEM normalization and progress callbacks.

Sealed state types modeling common UI transitions — loading, saving, mutating (with original/updated tracking), plus ResourceState that combines load/save flows for predictable, type-safe view-state handling.

Parsing and normalizing messy XML from stundenplan24.de, handling school-specific quirks; authenticated client, connection testing, robust cleanup logic and convenient school-data retrieval.

AI provider icon set for Compose with 470+ vector glyphs, mono and color variants (tintable or full-color), plus a regeneration script to import lobe-icons assets.

Lightweight plugin system with automatic service discovery, builds dependency-injection container graphs, supports encapsulated exposed types, internal bindings, and extensible singular/plural extension points with contribution wiring.

Thin bridge delegating to native SDKs for offer presentation, user identification, attribute management, purchase lifecycle, passthrough events, and configurable claim UI with suspendable placement API.

Real-time HTTP and WebSocket traffic inspector with a premium UI, persistent notification launcher, advanced metrics dashboard, deep request/response inspection and automatic slow-endpoint detection.

Discovers smart TVs, speakers, routers and IoT devices via SSDP and mDNS concurrently, deduplicates results, resolves UPnP metadata, with preset and custom filtering.

Unified gRPC client offering a common API, channel builder with TLS, interceptors, generated stubs and protobuf serialization; supports unary and streaming RPCs, gRPC‑Web and native FFI.

Simple, lightweight zipcode validator offering regex-based checks and easy export to JavaScript and Java, enabling quick integration and minimal footprint for client or server-side usage.

Centimetre-accurate UWB spatial awareness: peer-to-peer TWR ranging, angle-of-arrival, FiRa STS security, exhaustive 10-state lifecycle, composable errors, and hardware fakes for testing.

BC-UR Uniform Resources implementation offering full encode/decode, rateless fountain codes for animated QR transmission with deterministic PRNG, Bytewords and minimal CBOR, CRC-32/SHA-256, streaming multipart decoding.

Frame-driven video composition system using composable functions where animations are pure functions of frame index; includes preview player, interpolation/spring easing, MP4 export with FFmpeg, audio mixing.

Shared core logging API with formatter DSL, customizable formatting and tagging, caller-aware resolution, per-line levels, console/file loggers, and extensible logger interfaces.

Compile-time generation of type-safe extension mappers between data classes, with automatic property matching, renaming, nested and collection mapping, enum conversion, custom converters, and reverse mappers.

Composable UI component and SDK enabling session voting via Firebase-hosted feedback backend; includes initialization helpers, customizable layout, ViewModel, and Compose metrics tooling.

Bootstraps translations from remote or bundled snapshot, persists local snapshots, serves cache-first reads with single-item fetch on miss, supports typed resources, Compose integration, background refresh.

Image compression with a concise DSL for quality, format, and resolution control; native codec encoding, returns compressed bytes with metadata, and optional disk caching to free memory.

Enables reactive, composable UIs with a design-system-first approach, type-safe generated APIs, and compiler-assisted incremental rendering to efficiently update view trees across displays.

Compile-time replacement of default function argument expressions, enabling type-safe, zero-runtime-cost retrieval for displaying defaults in CLI help, configurations, and generated documentation.