ViperCard

• I re-created a classic Macintosh program from scratch, to run in a web browser
• Project was successfully crowdfunded
• You can write your own programs within ViperCard, it contains its own code editor and script engine. (I wrote a parser and interpreter, as well as the window management, UI behavior, and text layout)
• At #1 on Hacker News for more than 24 hours. Written up in news media including Vice and The Register
• See more at the ViperCard website