BrightExplorer!

QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file browser. It comes with a number of nifty features including a favorites function for launching folders and applications, groupings of folders that can be opened together, tooltip preview functions for a number of file types, and others. It is also highly customizable and hotkey-enabled.

XtraFinder add tabs and extra features to the Finder.

TotalFinder brings tabs to your native Finder and more! Other features include dual-panel mode and showing folders before files.

Path Finder is a standalone Finder replacement that takes the Finder's familiar interface and adds numerous powerful features and interface innovations to help anyone be more productive on Mac OS X. It features:

Brings features from Sublime Text to the file manager niche.

TidyTabs is a tool that brings tabbed browsing to all your programs. Ever wanted to have Chrome-style tabs in Windows Explorer, Microsoft Office or PuTTY? TidyTabs does just that. It integrates nicely with the OS and you will feel like the multi-tab functionality is a core part of Windows.

Tablacus Explorer is a tabbed file manager with Add-on support.

Windows Double Explorer manages two or more Windows Explorer in one application. Also you can add your favorite folders with drag and drop to the toolbar for quick access. It's easyier to manage your disc structure. (A kind of Norton Commander or Total Commander)

A very advanced File Manager/Explorer, with Rename and Batch Copy Software tools, flexible Libraries to manage thousands of documents. FolderViewer is the Whole in One of Windows.

Add tabs to Windows explorer. Make Windows Explorer like a tabbed browser.

Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.

WinBrowser features a multi-column interface as used on the Macintosh resulting in the most elegant file manager available for Windows today.