Will Mailbox be open-sourced? [1]<p>Unfortunately not. We gave a lot of thought to open-sourcing the underlying system, but this is ultimately not something we will support.<p>[1] <a href="http:&#x2F;&#x2F;www.mailboxapp.com&#x2F;faq&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.mailboxapp.com&#x2F;faq&#x2F;</a>