#kotlin

Library for ELF / Mach-O / Fat-Mach-O / PE / Compound / MSI / DMG formats parsing and checking signatures

Type-safe HTTP for Kotlin on Jetty or Pekko HTTP. Describe an endpoint once, with its declared failures, and get the route, the OpenAPI document, typed clients and MCP tools from it.

Android app for Onloc. Sends your device's location back to your Onloc instance in the background. Lets you control your device with remote commands.

High-performance zero-dependency static analysis tool enforcing NASA Power of Ten rules across 20 programming languages, plus AI agent skill, MCP server config, prompt template, and LLM model security auditing.

Cross-platform AirDrop. File transfer between Android, iOS, Linux, macOS, and Windows over ad hoc WiFi. No network infrastructure required, just two devices with WiFi chips (and optionally Bluetooth) in close range.

An IDE for building Android applicatons on Android.

Kotlin grammar for Tree-sitter

Collection of tools for coding in Kotlin

A Kotlin engine for 2D and 3D apps

Gatling plugin for JDBC — SQL queries, batch operations, and stored procedures with HikariCP connection pooling

Gradle plugin with convention

WearOS client for Immich, the self-hosted photo and video backup solution

A Compose-inspired declarative UI framework on Android View, built mostly by AI for engineering experiments (not production-ready).

Offline native HD wallet derivation for Swift, JavaScript, Python, Rust, Go, Dart, Kotlin, and the wallethd CLI

Fault Tolerant Load Balancer for Ethereum and Bitcoin APIs

A type-safe, reflection-free Kotlin Multiplatform ORM / SQL DSL for server and client. One schema and query model for PostgreSQL, MySQL and SQLite; runs on JVM, Native, R2DBC, Node, Android, iOS and the browser (Wasm), with transactions and compile-time catalog safety.

Maryk is a Kotlin Multiplatform library which helps you to store, query and send data in a structured way over multiple platforms. The data store stores any value with a version, so it is possible to request only the changed data or live listen for updates.