Tabs Studio is a Visual Studio and SSMS extension empowering you to work comfortably with any number of open documents.
v4.3.0 adds the ability to visually separate super tab groups created by PriorityGroup, MvcGroup and Sorter add-ins. See the following sample screenshots.
3 super groups of tabs organized by project and separated with 20 pixels margin:
Super groups of tabs organized by project in vertical tabs layout:
Tabs grouped by project in separate rows:
Making Visual Studio perfect 