HyperCard

from wikipedia:

HyperCard was an application program from Apple Inc. (at the time Apple Computer, Inc.) that was among the first successful hypermedia systems before the World Wide Web. It combined database capabilities with a graphical, flexible, user-modifiable approach. It also included HyperTalk, a powerful and relatively easy to learn programming language, to manipulate data and the user interface. HyperCard users often used it as a programming system for Rapid Application Development of different kinds of applications, database and otherwise.

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