The official (i.e. from Espressif themselves) AT v0.50 download release can be found here:
http://bbs.espressif.com/viewtopic.php?f=46&t=1123
@Kolban 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.
The official (i.e. from Espressif themselves) AT v0.50 download release can be found here:
http://bbs.espressif.com/viewtopic.php?f=46&t=1123