Phpstorm server groups are wonderful when you want to deploy your work to multiple joomla installations at the same time.
https://www.youtube.com/watch?v=GMiWgha39PU
https://www.youtube.com/watch?v=PtDc__wd_7w
The plugin collects during the checkout the user's name and email address and adds it silently to the choosen Constant Contact list.