CLI to control iOS and Android devices for AI agents

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

A syntax-highlighting pager for git, diff, grep, rg --json, and blame output

A lightweight command-line tool that spins up a local web server to display Git commit diffs in a GitHub-like Files changed view

Public repository for Agent Skills

Specification and documentation for Agent Skills

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Painless E2E Automation for Mobile and Web

A BPMN 2.0 rendering toolkit and web modeler.

氏名漢字カナ突合モデル

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.

👨‍🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

Java program to retrieve server certificate that can be added to local keystore

A collection of useful .gitignore templates

npx ccusage

JavaScript Expression Parser

Math JS library. Super advanced & efficient Math expression evaluator

An extensive math library for JavaScript and Node.js

Markdown component for React

This is the official DTCG repository for the design tokens site and specification.

D-ZERO Frontend Developer's Environment

Apple property list parser/builder for Node.js and browsers — supports XML, binary (bplist), and OpenStep formats

ViteJS starter template for vanilla JavaScript with some basic dependencies.

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.