SQL tutorial with realistic e-commerce database — 30 tables, 690K rows, 21 lessons, 270 exercises. SQLite/MySQL/PostgreSQL. Bilingual (ko/en).

macOS Finder-style Miller Columns file explorer for Windows — multi-tab, split view, 10 themes, keyboard-first, FTP/SFTP

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

ClaudeCode와 함께하는 .NET 개발 튜토리얼

Generative Agents: Interactive Simulacra of Human Behavior

DiffPlex is Netstandard 2.0+ C# library to generate textual diffs.

Lightweight and fast library written in C# for reading Microsoft Excel files

A JavaScript TimeSpan library, inspired by .net's System.TimeSpan and System.DateTime

League of Legends client demo that made using WPF

Resources for Blazor, a .NET web framework using C#/Razor and HTML that runs in the browser with WebAssembly.

TextRank implementation for C#