[[File:Jsmess in Chromium.png|thumb|upright=1.4|JSMESS emulating a CPC6128 in Chromium 30 on Linux(with copious debug messages)]]
'''JSMESS''' is a JavaScript port of [[MESS]] that runs in modern web browsers like Chrome and Firefox and is considered to be in its public beta stage right now. Particularly sound is still a problem.