Tabs Studio
Tabs Studio is one of the few 'must have' add ons for VS. Sergey constantly enhances it and has been very responsive.
Nick Hustak, Software Developer, Tangent Technologies, Inc.
Automatically Group Tabs

Save screen space and keep relevant tabs close to each other.
Customize Tab Colors

Set up different colors for tabs matching a specified tab name, document project or path pattern.
Latest News
Tabs Studio 4.7.0
Adds support for integrated vertical tabs in Visual Studio 2019 v16.4.Tabs Studio 4.6.1
Adds support for SQL Server Management Studio 18.0 RC1.Tabs Studio v4.5.0
Adds support for Microsoft Visual Studio 2019.About Vlasov Studio
Vlasov Studio helps Windows software developers write new code faster and understand existing code better. Their products solve critical programming problems and seamlessly integrate into Visual Studio.