Smalltalk-78 is a variant of Smalltalk-76 stripped down to work on the portable "NoteTaker" machine. In this repository is a Virtual Machine written in JavaScript to run a Smalltalk-78 snapshot in the web browser.
To learn more, please read our paper Reviving Smalltalk-78: The First Modern Smalltalk Lives Again. And to see Smalltalk-78 in action go to the Lively Smalltalk-78 page.