https://www.absorb.it/virtual-id
Genius Thunderbird plugin that sets a custom From address based on the recipient address of the email. Genius, exactly what I've been seeking for years. Now to get it setup...
http://ftp.mozilla.org/pub/mozilla.org/mobile/releases/
Download apks of mobile firefox directly and skip the Google market bs. Very useful, was a pain in the ass finding this.
https://jetpack.mozillalabs.com/
Jetpack is a simple language to write almost on-the-fly Firefox plugins. Pretty amazing technology, looks like css / jquery with some custom methods. Beautiful. Hat tip sfllaw.
