Apple2JS – A JavaScript emulator for the Apple II.a2 – A fast, WebGL optimized Apple ][+ emulator.Apple IIjs – An Apple ][ Emulator in JavaScript.Roland – An Amstrad CPC emulator written in JavaScript.CPCBox – Amstrad CPC emulator in JavaScript.I’ve pasted the list below, but special thanks to Frederic Cambus who compiled the list. There’s a great list over at Github of about 50 emulators written in Javascript.