Browse Kotlin Multiplatform libraries

Converts crossword puzzle file formats, supports reading/writing various formats, generates PDFs, and includes a web interface for creating digital puzzles.

Offers data bindings for handling the Static Analysis Results Interchange Format (SARIF), facilitating easier integration and manipulation of static analysis outputs.

Small library enabling efficient asynchronous peer-to-peer communication with type-safe contracts. Features include unidirectional remoting, Ktor transport adaptors, code generation, and extendable binary serialization.

Encode and decode CoAP messages over UDP and TCP, supporting CoAP Observe. Offers header examination prior to decoding, facilitating efficient handling of CoAP message formats.

Enables character set functionalities and management, now relocated to a new repository for ongoing updates and extended documentation.

Delimiter-separated value parsing and serialization with type-safe mappings, streaming support for large files, and customizable delimiters, quoting behavior and header naming strategies.

Embed static resources into binaries via compile-time Base64 encoding with generated ResourceDirectory, lazy decoding, smart in-memory/disk caching, integrity validation, and configurable optimization strategies.

Library facilitates easy serialization and deserialization of JSON:API documents into native types, supporting builder functions for document creation, with ongoing enhancements for domain type extraction.

Implements bindings of opentest4j with platform-specific adjustments, including modified serialization support, type exposure as `KClass`, `toValueWrapper()` method, and UTF-8 content decoding in `FileInfo`.

Facilitates encoding and decoding of data using various multibase schemes, including BASE10, BASE16, BASE32, BASE58, BASE64. Offers straightforward API functions for multibase string conversions and UVarInt operations.

Extensible, plugin-based debugging platform with runtime-loadable modules, DSL configuration, simultaneous session support, and type-safe serialized communication for customizable debugging workflows.

Lightweight framework for building decentralized social and messaging services, implementing the Milky protocol with networking primitives, serialization, extensible modules, and comprehensive documentation and community support.

Enables GeoJson deserialization, supporting distinct implementations for JS and JVM while sharing base objects. Allows transforming strings into GeoJsonObjects and handling feature collections with custom properties.

Implements RFC 6902 JSON Patch, enabling JSON diff generation and patch application. Offers Kotlin extensions and uses `kotlinx.serialization.json` for convenient integration and usage.

Experimental library enabling JSON5 serialization and deserialization with support for polymorphic types, class discriminators, comment serialization, concise error messages, and duplicate key rejection.

Enables interaction with the Solana blockchain, facilitating transaction creation, signing, and RPC communication. Offers modules for keypair generation, Metaplex API, and NFT handling.

Implements BSON data format, enabling serialization and deserialization functionality. Automates release process through evergreen, with snapshot and official version management via Sonatype.

Run LLMs locally with model downloading, GGUF export, SDKs and a CLI for testing; optimized on-device inference enabling private, serverless chat and model management.

Dynamically converts JSON into Jetpack Compose components, enabling server-driven UI, generative UI with AI integration, and facilitating UI updates without app redeployment.

Extracts YouTube videos and comments, maintaining compatibility with original usage. Refactored for improved readability, structure, and platform compatibility, with a pure Kotlin JSON implementation.

YAML 1.2 serializer/deserializer integrating with a serialization framework, handling scalars, maps, sequences, anchors/aliases, polymorphism styles, and Docker Compose–style extension fields.

Facilitates IP handling and subnet calculations with no external dependencies. Offers IP address parsing, CIDR math, network comparisons, and planned features like subnetting and network merging.

Wrappers around code documentation tools generate a common JSON output for Orchid. Supports Java, Kotlin, Groovy, and Swift documentation tools like Javadoc, Dokka, Groovydoc, and SourceKitten.

Simplifies REST API communication and WebSocket management, offering unified network request handling, token-based authentication, localization, and advanced error handling with minimal setup.

Offers a multiplatform BigInteger library, addressing the lack of native support for BigInteger types. Serialization is optional via a separate module, enhancing flexibility.

High-precision decimal arithmetic with arbitrary-precision engines, predictable rounding modes, locale-aware parsing/normalization, arithmetic/extension helpers, and built-in serialization for financial calculations.

Unified type-safe API integrating Google Pay and Apple Pay, with reactive capability detection, Compose UI payment components, serializable tokens, robust error handling and thread-safe, production-ready state management.

Parses and validates OpenStreetMap opening hours strings into a type-safe data model and back, offering fast processing and lenient parsing for unambiguous syntax variations.

Facilitates decoding, verifying, encoding, and signing of Visible Digital Seals and ICAO IDB barcodes, offering comprehensive support for digital seal handling and barcode generation.

High-level serialization of data classes to DER, plus low-level typed ASN.1 tree model and builder DSL; rich ASN.1 types, OID registry, PEM and crypto structures.