Browse Kotlin Multiplatform libraries

HTTP inspection for Ktor, capturing requests, responses, headers and bodies, with UI, HAR export, request/response overriding, filtering, sanitization and configurable retention.

Local logging toolkit routing structured mobile SDK logs to a developer-hosted server; stores per-device/session JSONL, supports redaction, simple tail/curl inspection and agent workflows.

High-performance PDF rendering and manipulation via PDFium: fast rasterization, text extraction, annotations, bookmarks, form handling, page transforms, and native bindings for multiple targets.

Declarative, type-safe DSL for defining and parsing bitfield schemas into labeled fields. Supports single-bit flags, multi-bit enums, RFU ranges, parse-time callbacks and fail-fast validation.

Declarative composable charting library offering interactive, customizable line, bar, and pie charts with animations, gesture support, theming, and comprehensive documentation.

Line-by-line transliteration of upstream age implementation enabling age-format file encryption: recipient and passphrase encryption, SSH key support, multiple recipients, plugin integration; faithful port provenance via port-lint headers.

On-device speech-to-text: extracts clean 16kHz audio, downloads and runs local models, returns transcripts with timing, language and confidence — no server or audio upload.

End-to-end encrypted messaging and cryptography toolkit featuring a CLI for login, group management, messaging, key package handling, and configurable build-time crypto/cache policies.

Calculates astronomical times, sunrise/sunset (NOAA default), and Jewish zmanim for prayers; offers ComplexZmanimCalendar, lazy computed zman properties, metadata-rich definitions, and an allZmanim list.

Line-by-line transliteration port offering Async adapter for standard networking types, Timer futures, and a background reactor thread that polls OS I/O events and wakes awaiting tasks.

Koog-compatible on-device LLM client enabling offline Gemini Nano and Apple Foundation Models inference without API keys, supports hybrid cloud fallback, model download, warm-up and routing.

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.

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

Lightweight OpenID Connect authentication supporting Authorization Code Flow with PKCE, discovery, token exchange/refresh, local and provider logout, secure token storage, and provider-specific customization.

Fast MMKV-compatible key-value store offering a unified, type-safe API, MMKV binary format, drop-in preferences adapters, null-on-miss getters, synchronous C++ core and no reflection or annotation processors.

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.

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

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.

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.

Interactive 3D globe in a WebView with auto-rotation, lat/lon grid, country borders, markers (current/destination), city labels, animated flight arcs, customizable styling and tap callbacks.