Browse Kotlin Multiplatform libraries

Line-by-line transliteration of upstream SDK delivering real-time video, audio and data channels, simulcast, SVC codecs, hardware-accelerated encoding/decoding, and server APIs.

Turn-by-turn navigation logic enabling self-hosted map tiles and directions API, UI-free, telemetry disabled, customizable route-request interceptor and pluggable location engine.

Handles push and local notifications via Firebase Cloud Messaging with simple initialization, configurable foreground display, image support, runtime permission helpers and unified API.

Lightweight toolkit for Ktor HTTP clients: retry schedules with Retry-After parsing, per-request timeouts, etiquette headers, and destructive body-prefix sampling for diagnostics.

Compiles AT Protocol lexicons into typed classes, generates API interfaces and HTTP (Ktor) implementations, and supplies OAuth and Jetstream bindings plus a Gradle plugin for schema generation.

Resumable tus protocol implementation offering a client, embeddable server library, standalone runnable server jar, shared protocol primitives, and end-to-end integration tests.

Asynchronous HTTP client offering DSL-style request builders, configurable engines, interceptors, streaming responses, multipart support, and extensible plugins for concise, testable network code.

Client for interacting with app API: request/response handling with JSON, file and form inputs, collection-format queries (csv/tsv/ssv/pipes), numerous domain models (payments, chat, AI) and bearer auth.

Client for loops.so API with full endpoint coverage, typed resource groups, direct vs proxy modes to prevent shipping API keys, automatic 429 retries, configurable timeouts and logging.

In-app support chat backed by Supabase, real-time messages, media, emoji reactions, swipe-to-reply quotes, shared conversation state with agent console, and anonymous client sign-in.

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.

Thin facade over Wire's Kalium SDK offering a streamlined API for secure citizen-to-government messaging, with a core SDK and a CLI reference implementation.

Lightweight utilities for building web3 applications with minimal overhead, emphasizing simple, well-documented APIs and an idiomatic client to interact with EVM chains.

Connector for an online multiplayer space game, offering client-side networking, object and event handling, messaging, and game-state synchronization; early beta for testing and development.

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.

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.

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.

Lightweight RSS/Atom feed client offering parsing, fetching, caching, extension-friendly API, asynchronous fetching, offline access and flexible parsing adapters for building news readers and aggregators.

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.

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.