Delivery platforms take a big cut of every order, often between 15% and 30%. For a restaurant running on thin margins, that cut can be the whole profit. That's why so many restaurants, small chains and local delivery startups want their own ordering app, and why most of them give up when they see what it takes: a customer app, a kitchen screen, a courier app, an operations console, payments, maps and a server that ties it together.

What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, and web apps from a single Java or Kotlin codebase. Learn more at codenameone.com .

Savor is all of that in one Java project. It's the third of this week's templates, after Skirmish and Parley , and it's a sibling of Wayline , the ride-hailing app from last week. Pick the food-delivery template in the Initializr , set your name and package, and you have a working delivery service.…