Witch - Welcome to the world of W. i. t. c. h.
groupy - Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.
Hyperswitch - HyperSwitch provides a compelling alternative to HyperDock for keyboard junkies. What's New
QTTabBar - QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file...
Contexts - Switch between application windows effortlessly — with Fast Search, a better Command-Tab, a Sidebar or even a quick gesture. Free trial available.
BrightExplorer - Add a tabbed interface to Windows Explorer.