It is the official one from here: http://www.espruino.com/binaries/travis/master/
@calebbrewer started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
It is the official one from here: http://www.espruino.com/binaries/travis/master/