http://grasshopper.com/
Virtual phone systems aimed at web entrepreneurs. Includes voicemail to email, extensions, all that jazz.
https://github.com/r3c/Custom-From/#readme
A custom "from" plugin for roundcube that auto sets the from address to whatever email address the message was delivered to. Mind blowingly awesome.
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...
