Yein Sung

pyhwpx. 파이썬-아래아한글 자동화를 위한 hwpx 모듈 레포.

bugzar. Bugzar for Bug reporting in React

Stockfish. A free and strong UCI chess engine

pierre. pierre’s open source code

svgedit. Powerful SVG-Editor for your browser

svg-path-editor. Online editor to create and manipulate SVG paths

monogram. Define syntax once, generate lexer, parser, TextMate, tree-sitter

free-router. The free AI model router, API for everyday AI work. Find the best option, compare results, switch with less friction.

wry. Cross-platform WebView library in Rust for Tauri.

msgpack-javascript. @msgpack/msgpack - MessagePack for JavaScript / msgpack.org[ECMA-262/JavaScript/TypeScript]

msgpack. MessagePack is an extremely efficient object serialization library. It's like JSON, but very fast and small.

vitest-webdriverio. webdriverio support for Vitest's Browser Mode

OpenLogi. ⚡️A native, local-first alternative to Logitech Options+, written in Rust 🦀 — remap buttons, DPI, and SmartShift over HID++. No account, no telemetry.

rustlings. :crab: Small exercises to get you used to reading and writing Rust code!

GitHub-Achievements. 🔥 A Complete List of GitHub Profile Badges and Achievements 🔥

oxc. ⚓ A collection of high-performance JavaScript tools.

svgo. ⚙️ Node.js tool for optimizing SVG files

GSAP. GSAP (GreenSock Animation Platform), a JavaScript animation library for the modern web

svg-parser. JavaScript

oxvg. Fastest SVG toolchain for optimisation, minification, linting, and actions. Usable via CLI, Node, Wasm, or Rust.

vite-plugin-legacy-swc. Provides legacy browsers support for the production build with SWC

gitleaks. Find secrets with Gitleaks 🔑

rxjs. A reactive programming library for JavaScript

turso. Turso is an in-process SQL database, compatible with SQLite.

open-code-review. 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, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

cnfast. Fast drop in replacement for `cn`

driver.js. A lightweight, dependency-free JavaScript library for guiding user focus across the page.

diffsitter. A tree-sitter based AST difftool to get meaningful semantic diffs

ponytail. Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

mac-cursors. ✛ All cursor icons from OS X, in SVG format

emscripten. Emscripten: An LLVM-to-WebAssembly Compiler

architecture-decision-record. Architecture decision record (ADR) examples for software planning, IT leadership, and template documentation

shadcn-vue. Vue port of shadcn-ui

reka-ui. An open-source UI component library for building high-quality, accessible design systems and web apps for Vue. Previously Radix Vue

webcontainer-core. Dev environments. In your web app.

electrobun. Build ultra fast, tiny, and cross-platform desktop apps with Typescript.

llvm-project. The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

tinyglobby. A fast and minimal alternative to globby and fast-glob

zizmor. Static analysis for GitHub Actions

caddy. Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

gumtree. An awesome code differencing tool

ecosystem-issues. A place to keep track of ongoing efforts to improve performance in the JS ecosystem

e18e-tools. TypeScript

awesome-e18e. A curated list of awesome e18e-focused packages

ast-grep. ⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

recast. JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

guarddog. :snake: :mag: GuardDog is a CLI tool to Identify malicious PyPI and npm packages

envinfo. Generate a report about your development environment for debugging and issue reporting

vitest. Next generation testing framework powered by Vite.

wifi-densepose. ⚠️ SCAM ALERT: Technical audit reveals this project is a non-functional AI-generated facade with fake CSI data, no trained models, and suspected star inflation

identity. Identify automation patterns in GitHub accounts through behavioral analysis

ctx. Search the coding agent history already on your machine

anti-slop. A GitHub action that detects and automatically closes low-quality and AI slop PRs.

opentofu. OpenTofu lets you declaratively manage your cloud infrastructure.

awesome-ai-slop. [WIP] A curated list of awesome AI slops.

opencha. A simple verification gate that reduces low-effort pull request noise for maintainers.

gitea. Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

npmx.dev. a fast, modern browser for the npm registry

get-out-spam. Public GitHub Pages app for Get Out Spam maintainer review checks

agentscan. An open experiment in detecting automation patterns on GitHub

unplugin-macros. Macros plugin for bundlers.

warp. Warp is an agentic development environment, born out of the terminal.

codex. Lightweight coding agent that runs in your terminal

tauri. Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

damn-my-slow-kt. 명령어 설치 한번으로 한달 KT 인터넷 요금을 무료로 쓸 수 있습니다. 귀찮은 공문 작성 필요 없습니다.

asciianimesvg. Generate animated ASCII art SVGs from text. CLI, Rust library, WASM, and web editor.

shellsuggest. Smarter zsh autosuggestions, ranked by your current directory

aiki. Durable Execution Platform

std-env. Runtime Agnostic Env Info

apfel. The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat — all on-device via Apple Intelligence. No API keys, no cloud, no downloads.

complete-checkpoint. Atomic rollback points for AI agent sessions - saves workspace + agent data as one checkpoint

github-action. CLA Assistant GitHub Action

codex-plugin-cc. Use Codex from Claude Code to review code or delegate tasks.

jsr-npm. A cli tool to install packages from jsr.io in node

jsr. The open-source package registry for modern JavaScript and TypeScript

marketingskills. Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

superpowers. An agentic skills framework & software development methodology that works.

cluvo. Local-first bug reporting for open-source CLIs and SDKs

chkpt. Save and restore your entire workspace without touching Git

giscus. A commenting system powered by GitHub Discussions. :octocat: :speech_balloon: :gem:

zed. Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Kaku. 🎃 A fast, out-of-the-box terminal built for AI coding.

Tst. Talk to agent

macos-toolkit. A collection of lightweight, open-source macOS utilities built with pure Swift — no Electron, no dependencies, no bloat

Recordly. Create polished demo videos without editing skills. Mac/Windows/Linux

rtk. CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

ai-spec-driven-dev-infra. Python

Sparkle. A software update framework for macOS

update-kit. Self-updates that respect how your CLI was installed

hex-survival. Luau

statsfm-to-markdown. GitHub Action to display your stats.fm top albums on your profile README as linked images with tooltips.

markdown-badges. The largest curated collection of markdown badges for your personal developer branding, profile, and projects.

woai. Python

codanna. Local code intelligence MCP server and CLI for AI coding agents

gitlogue. A cinematic Git commit replay tool for the terminal, turning your Git history into a living, animated story.

git-rewrite-commits. AI-powered git commit message rewriter using Ollama or GPT

kiro. Complete System Prompts for Kiro IDE by Amazon

claude-code-mastering. JavaScript

beachpatrol. 🏝️ A CLI Tool to Automate Your Everyday Web Browser.

stagewise. The Open Source Agentic IDE. Create and orchestrate coding agents, show app previews and run git workflows. Use your favorite models across all providers.

bearded-theme. The themes with a long beard.

colanode. Open-source and local-first Slack and Notion alternative that puts you in control of your data

chrome-extension-pause-page. Chrome extension: instantly pause the page when DevTools is open using a keyboard shortcut.

rust-stakeholder. Generate impressive-looking terminal output to look busy when stakeholders walk by

frontend-fundamentals. Essential principles for frontend development

kaneo. 🎯 All you need. Nothing you don't. Open source project management that works for you, not against you.

listr2. NodeJS Task List derived from the best! Create beautiful CLI interfaces via easy and logical to implement task lists that feel alive and interactive.

react-bits. An open source collection of animated, interactive & fully customizable React components for building memorable websites.

ts-blank-space. A small, fast, pure JavaScript type-stripper that uses the official TypeScript parser.

compiler-notations-spec. (Draft) Specifications for `__PURE__` compiler notation et al.

isomorphic-next. A "single implementation" for both server and client in Next.js is possible, including managing cookies seamlessly across both environments.

pubm. Publish to npm, jsr, crates.io, and private registries in one step

github-graph. A tool to visualize GitHub user data using graphs 🌐

shiki-magic-move. Smoothly animated code blocks with Shiki

twoslash. You take some Shiki, add a hint of TypeScript compiler, and 🎉 incredible static code samples

module-replacements. A manifest of JS modules and their more modern/active replacements

e18e. JavaScript

react. The library for web and native user interfaces.

zag. Build your design system in React, Solid, Vue or Svelte. Powered by finite state machines

changesets. 🦋 A tool to manage versioning and changelogs with a focus on monorepos

vite-lit-11ty-ssr-boilerplate. TypeScript

pikachu-volleyball-p2p-online. Pikachu Volleyball peer-to-peer online via WebRTC data channels

seed-design. The Seed Design System

fruitionsite. Build your website with Notion for free

overflow. 📦 Auto collapse box util component

CharacterControl. Floating Capsule Character Controller (Rigibody control)

awesome-alternative-military-service. 정보처리 산업기능요원을 위한 쓸만한 정보들

perlin-noise. Library-free Perlin noise derived from p5.js

gltf-optimizer. Optimize glTF. Draco compress and convert texture to WebP.

FCB. JavaScript

fighting_game. 격투 게임

next.js. The React Framework

timed-async. Small JS helper to react to slow and fast async operations

xquare-frontend. DSM을 위한 단 하나의 웹서비스

velog-readme-stats. Velog 포스트로 Github를 꾸며보자!

hi. 스타 안누르면 정 환이 직접 찾아갑니다.

simple-faster-rcnn-pytorch. A simplified implemention of Faster R-CNN that replicate performance from origin paper

jhcloos.github.io. Pages

SemicolonDesign_Frontend. Semicolon Design System

class101-ui. 💅A React-based UI Component Library.

SemicolonDesign_Frontend_Old. Semicolon;에서 개발한 교내 프로젝트 전용 디자인 시스템입니다.

YoonSeokGG. League of Legend Match history Service

typescript-next-recoil-boilerplate. 🔥 react-boilerplate with nextjs, typescript and recoil

DSM_Auth_Frontend. dsm auth 프론트 개발팀

DDYZD_FrontEnd. 👦 DSM 동아리 신청 및 관리와 동아리물품신청을 지원하는 서비스

Backend. Random chat application with node.js, socket.io, s3

DDYZD_ERP_V2_ADMIN_API. DDYZD_ERP_V2_ADMIN_API 대동여지도 ERP(Enterprize Resource Planning) 어드민 API

turn.js. The page flip effect for HTML5

typescript-study. Study typescript