Browse Kotlin Multiplatform libraries

Efficient, generic serialization/deserialization framework with derive-style codegen, pluggable data-format adapters, and faithful line-by-line transliteration including per-file provenance headers, ensuring API parity with upstream implementation.

High-performance lexer generation using compile-time DFA construction, combined token definitions, lookup/jump-table optimizations, regex and literal tokens, loop unrolling, and no-backtracking.

Generate TypeScript declarations from Rust types, including enums, generics and serde-aware mappings; export bindings to files with import resolution and configurable large-integer handling.

Line-by-line transliteration of an upstream identity tool, exposing system identity info (user, host, OS) with a native API, feature-parity, provenance headers and porting discipline.

Loads and parses .env-style key-value files with non-modifying and environment-modifying APIs, configurable loader, reader support, multiline/substitution handling, and compile-time/runtime loading options.

Line-by-line transliteration of a battle-tested base64 implementation offering high-performance encoders/decoders, engine-level APIs, canonical-padding handling, and configurable decoding for non-canonical inputs.

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

Line-by-line transliteration of Starlark syntax: parser, AST and tooling matching upstream Rust, with provenance headers, AST-distance tracking and strict porting discipline.

Comprehensive device security toolkit: fingerprint-based stable IDs, root/jailbreak and emulator detection, app integrity checks, VPN/proxy inspection, remote-control/surveillance detection, modular detectors, aggregated risk scoring.

Chunked multipart uploads to cloud storage with pause/resume, retry and persistent upload state across restarts. Enqueued background engine, per-chunk progress stream, and pluggable HTTP callbacks.

Detects runtime environment as an enum, exposes currentPlatform constant, offers lightweight, easy-to-integrate API and extensible hooks for telemetry-friendly platform metadata.

Firebase-first SDK exposing coroutine-style suspending functions, reactive flows, and serialization-backed read/write for Firestore, Realtime Database, Auth, Functions, Storage, Messaging, Installations.

Port of the ANTLR v4 runtime translating Java sources into a portable implementation, enabling ANTLR-generated parsers; runtime API parity work ongoing.

BER‑TLV/TLV parser for EMV payment data: recursive decode of constructed/primitive tags, hex-string I/O, comprehensive EMV tag dictionary, and rich value explainers and visualizations.

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.

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

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.

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.

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.

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.