Someone started a petition in an effort to lobby dropbox to do just that:<p><a href="https:&#x2F;&#x2F;www.change.org&#x2F;p&#x2F;dropbox-open-source-mailbox-app?recruiter=443062166&amp;utm_source=share_for_starters&amp;utm_medium=copyLink" rel="nofollow">https:&#x2F;&#x2F;www.change.org&#x2F;p&#x2F;dropbox-open-source-mailbox-app?rec...</a>