You can develop SharePoint Add-ins by using the following new features available in the Office Developer Tools for Visual Studio.
Note The name "apps for SharePoint" is changing to "SharePoint Add-ins". During the transition, the documentation and the UI of some SharePoint products and Visual Studio tools might still use the term "apps for SharePoint". For details, see New name for apps for Office and SharePoint.
Tip Download the latest version of the Office Developer Tools for Visual Studio 2013.
What's new in Office Developer Tools for Visual Studio 2013 - August 2015 Update
- The Mail Add-in manifest designer now respects the Mailbox requirement set value.