I built this tool for myself. I need a simple tool to produce, manage, and track QR Codes along with their related campaigns. Most existing tools require a paid plan to unlock tracking and management features. It's a nominal personal cost to share it with other folks. Enjoy.<p>Tech stack: Ruby, Sinatra, SQLite, Litestream, Fly.io<p>FAQ: <a href="https://qrpotato.com/faq" rel="nofollow">https://qrpotato.com/faq</a>