Still manually scribbling appointments on a physical calendar, hoping your pen doesn't run out of ink mid-booking? Or worse, relying on a spreadsheet that looks like a war zone after a busy Tuesday? If you're a seasoned developer, an agency wrangling multiple client projects, or just an open-source enthusiast who believes in better tools, you know the pain. The booking game can be messy, convoluted, and frankly, a colossal waste of precious dev hours.

But what if there was a way to tam...