So .. I have project on my plate which is basically a firmware updater for a project based around the ESP8266 (see http://magicshifter.net/ if you're interested). My question to anyone who knows the answer: would it be possible to write an app (in Linux of course) which access the /dev/tty.FORESP8266 and writes/reads raw blocks, such that it could be bundled into AppImage and run on, basically, OSX and Windows as a L…
Bear in mind AppImages are not Java, they run only on Linux, not on OSX or Windows.
Anyway, I'm using Qt5+QtSerialPort myself inside AppImages, and works beautifully.