Browse Kotlin Multiplatform libraries

BSON-first MongoDB client with ergonomic typed serialization and DSL builders for filters/updates; supports CRUD, sessions, transactions, SRV/TLS, index helpers, and a raw BSON escape hatch.

Quasi-quoting toolkit enabling code-as-data generation of token streams via quote-like macro syntax: interpolation, repetition, identifier construction, span-aware hygiene, and composable token fragments for code generation.

Wrapper around compiler's procedural-macro API, enabling proc-macro-like token streams outside macros, making macro logic unit-testable; faithful line-by-line transliteration preserving upstream behavior and provenance.

Ergonomic trait-object error type for idiomatic application error handling; attach contextual messages, downcast to concrete error types, capture backtraces, and create errors with concise macros.

compose document viewer

Collection of Compose libraries enabling rich-text documents: CommonMark parsing, composable UI elements (Headings, BlockQuote, HorizontalRule), Material styling and a printable controller for rendering and printing.

Image and video picker with preview, camera capture, GIF support, directory grouping, playback controls, dark/light themes and internationalization; configurable max items and grid layout.

Composable image viewer featuring intuitive gestures, pinch/zoom, huge-image sampling, paged galleries, preview popups with transition animations, highly customizable and independent of external image libraries.

Minimal demonstration offering a basic abc example and usage patterns, simple API, lightweight integration, ideal for learning fundamentals, quick prototypes, and educational experimentation.

Pull-to-refresh and load-more component delivering highly customizable indicators, multiple scroll modes (translate/fixed/behind/front), themeable global config, Lottie/progress/classic indicators, vibration and finish-delay effects.

Embeds a WebView into JetBrains Compose UI, offering remembered state, navigation controller, JavaScript bridge, HTML/URL/post-data loading, async JS evaluation, progress and error tracking.

Customizable animated dropdown menu with cascading submenus, DSL-style menu builder, multiple enter/exit animations, easing options, icons, color theming, offset control and selection callbacks.

Collection of reusable Compose UI components: pagers, auto-scrolling banners, indicators, image banners, versatile refresh layouts, flow/labels layout, date/value pickers, menu FABs, chainable scroll behaviors.

Highly configurable calendar picker logic with customizable day-cell UI, multiple view modes (month, week, vertical, horizontal), selection types (single, multiple, range), and animated scrolling.

Opinionated toast component offering stacked, animated, and customizable toasts: multiple types/colors, positions, transitions, swipe-to-dismiss, actions/icons, durations, lazy performant rendering, and ViewModel-friendly updates.

Draw CSS-style box and inner shadows via a single modifier API—supports blur, spread, offset, color, shape masking, clipping, and inset shadows for Figma-like results.

Immutable, cheaply-cloneable byte containers and cursored read/write views; typed big- and little-endian numeric access, chaining/limiting adapters, iterator/reader/writer adapters, Result-based safe reads.

Collection of well-tested utility extensions and types: ergonomic collection/string helpers (Vec.map, split1), a cheap-copy Dupe trait, and ARef abstraction for uniform references.

Application-level networking layer offering typed NetworkResult, structured NetworkError, ordered interceptor pipeline (auth single‑flight refresh, retry, circuit breaker), redacted logging, converters, test doubles.

Line-by-line transliteration of a mature parser-generator, enabling compact readable grammars, reusable grammar macros, operator and type-inference support, compact defaults, and LR(1)/LALR(1) parsing.

Line-by-line transliteration of an upstream map implementation, delivering faithful feature-parity collections with port-lint headers for provenance tracking and translator guidelines enforcing disciplined ports.

Pure Open Location Code implementation to encode, decode, shorten, recover and validate Plus Codes. Strong type-safety via zero‑overhead value type; passes official Google test vectors.

SSE HTTP-body codec decoding server-sent events into event streams and encoding SSE events into HTTP bodies; faithful line-by-line transliteration of upstream Rust implementation.

Formik-style form-state engine with suspendable field operations, schema DSL and sync/async validation, nested/array fields, introspection, array helpers, and annotation-driven typed value code generation.

Compile-safe, zero-boilerplate navigation with typed routes, arguments and results; three integration modes (annotation-based codegen, sealed-class DSL, class-based screens), shared-element transitions and back-with-result support.

High-level Bitcoin wallet API offering HD key derivation, multiple address types including Taproot, watch-only support, UTXO selection strategies, transaction creation/signing/broadcast, and pluggable sync/storage.

High-performance, filesystem-free archive extraction supporting .7z/.zip via autoprobe magic-byte detection; streams decompression with zero temp files, O(1) memory, native bindings and Shift_JIS/UTF-8 filename decoding.

Vertical typesetting editor supporting mixed Mongolian/Manchu and CJK/Kana/Hangul/Latin, with correct vertical rendering, cursor/selection, selection handles, undo/redo, multi-column flow, theming and context-menu hooks.

Lightweight runtime permission handler with simple callback API, multiple and sequential requests, permanent-denial detection, location/background permission support, and Compose-ready integration.