Browse Kotlin Multiplatform libraries

Multiplatform IM SDK: unified network, sync, local DB and event layers with Wire-generated protobufs, Ktor client, SQLDelight, coroutines and catalog-driven Gradle dependency management.

Arrow-shaped chat popovers with smart screen-edge positioning, modal barrier featuring anchor hole cutout, animated pivot transitions, configurable arrow/shape/spacing, and easy show/hide callbacks.

A-Z grouped contact list with sticky section headers, right-side alphabet index bar and draggable floating cursor; highly customizable builders and optional leading/trailing list slots.

2D runtime for Compose apps offering scene/entity/system architecture, camera-aware rendering, normalized input events, asset registry, and optional physics including Barnes–Hut gravity.

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

One-line audio recording, easy playback and OpenAI Whisper transcription via coroutine-style API; live waveforms, Compose-ready state/UI components, permission handling and WAV file I/O.

Adaptive UI primitives and responsive patterns for admin, productivity, and data-heavy interfaces: breakpoints, adaptive layouts/grids, navigation scaffolds, tables-to-cards, form sections, feedback states, and polished components.

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.

Collects, validates, and processes structured healthcare data via HL7 FHIR Questionnaires. Composable questionnaire renderer with pre-fill, validation, review page, and submit/cancel producing FHIR QuestionnaireResponses.

HTTP mocking for testing apps: start isolated mock servers, define rich request matchers, template dynamic responses, set invocation expectations, and pool servers to speed tests.

Extensible, strongly-typed OAuth2 implementation supporting RFC 6749 flows, token handling, and pluggable configuration; faithful line-by-line transliteration aiming for full feature parity with upstream.

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.

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.

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.

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