Benko Board is a Google Apps Script that integrates Gmail with Trello. It allows you to use Trello as a Gmail client, so that you and your team can prioritise your work and collaborate more easily. It also fixes a couple of annoying shortfalls in Trello.
Use BenkoDesk to easily create a shared email inbox for you and your team right inside a Trello board at a fraction of the cost of other helpdesk solutions.
BenkoDesk lets you use Trello for shared/team emails. Connect up a Gmail account to a Trello account and you and your team can easily send and receive emails directly from Trello cards. Replaces things like HelpScout for 1/10 the cost!