Source: Boing Boing
Article note: It looks like its just BasiliskII built with Enscripten, with a little glue, not a "new" emulator, but it's still a damn polished presentation.
Mihai Parparita's Infinite Mac presents classic Apple operating systems (Mac OS 8, System 7) in the browser: "They boot instantly, are filled with useful programs, allow data import, export and persistence, and try to bring the best of the web to retrocomputing." — Read the rest