Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thre…

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Bloat-free Immediate Mode Graphical User interface for JVM with minimal dependencies (rewrite of dear imgui)

Java bindings for Skia

Compose DND is a library that allows you to easily add drag and drop functionality to your Jetpack Compose or Compose Multiplatform projects.

Minimalist Game Framework using Kotlin Multiplatform

A multiplatform WebGPU 2D game framework written in Kotlin. Build your own game engine on top.

A game engine based on Compose Multiplatform for 2D Android, iOS, Desktop, and Web projects.

Lottie documentation for http://airbnb.io/lottie.

A simple 2D game engine for rapid prototyping with Lua, featuring live reload and cross-platform export; this repo is a mirror and development happens at: https://codeberg.org/brettchalupa/usagi

A Vulkan / WebGPU / OpenGL engine for Desktop JVM, Android and Javascript written in Kotlin

🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, Ope…

A refreshingly simple data-driven game engine built in Rust

LÖVE is an awesome 2D game framework for Lua.

LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUD…

⚡️ A set of skills for Android testing: Compose UI, AndroidX Test, JVM unit tests, and ADB.

Transform legacy systems into executable specifications for AI coding agents

A simple, annotation-based library for making deep link handling better on Android

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors

A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

Spec-driven development (SDD) for AI coding assistants.

💫 Toolkit to help you get started with Spec-Driven Development

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a querya…

Pre-built Material 3 Settings UI components for Compose Multiplatform. Supports Android, iOS, Desktop, JavaScript, and WebAssembly.

A Kotlin-first SDK for Firebase

An agentic skills framework & software development methodology that works.

Claude Code skill for building modern Android apps following best practices.

Jetpack Compose Agent Skill — AI-powered coding guidance with actual androidx/androidx source code receipts. Works with Claude Code, Codex CLI, Gemini CLI, Cursor, Copilot, Windsurf, and more.

Easiest framework to develop Android & Compose Multiplatform UI tests