Open-source certificate automation tool to generate, download, and email personalized certificates using CSV or Google Sheets.

ClashControl is a lightweight scoring and coordination system for coding competitions and debugging rounds. It allows multiple coordinators to update participant scores, track completion times, and generate leaderboards using a simple Excel-based backend.

🎩 黑客松路演魔术师：一键把源代码/项目变成竞赛级路演材料。7步工作流、8种路演类型、19种交付物、双语、本地运行。Hackathon Roadshow Magician: turn any project into stage-ready pitch materials — 7 steps, 8 formats, 19 deliverables, bilingual, fully local.

Lightweight real-time collaborative notes app. No accounts, no database — just enter a name, share a room code, and write together live. Works online via Render and offline over local WiFi using Electron.

Verifying hackathon and grant submissions with validator-led evidence review, onchain LLM reasoning, scorecards, risk flags, and public proof pages.