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This is beautiful. What is this?
Decker is a "multimedia sketchpad". It's a drawing program, a database, and a rapid prototyping environment. A "deck" can be exported as a self-contained, self-executing .html file (as seen above), and there's also a non-browser-based native application. It uses a functional scripting language named Lil which incorporates ideas from the APL family. You can learn more and play with some additional examples here: http:…
So an extremely niche and stylized web-based Hypercard.
Odd, but Hypercard WAS damn near the pinnacle of empowering software for normal people.