Decker: A Modern Platform That Builds on the Legacy of HyperCard and Classic macOS

Decker is a modern platform that builds on the legacy of HyperCard and classic macOS. Learn to install it, create interactive stacks, script interactions, and ship your projects.

If you've ever felt that modern note-taking apps and static site generators stripped away the interactivity that made early personal computing magical, Decker might be exactly what you've been missing. Originally conceptualized as a spiritual successor to Apple's HyperCard, Decker brings the card-and-stack metaphor into the 2020s with native macOS performance, modern scripting, and a developer-friendly architecture.

In this tutorial, you'll go from zero to a fully interactive Decker stack. We'll

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