Xplorer² (free version) Ultimately affordable file management power for Windows.
http://zabkat.com/x2lite.htm ■ Utterly affordable file management power
All the shell goodies from windows explorer — none of the hassle! The free lightweight version of xplorer² offers dual panes and folder tabs for efficient and trouble-free desktop file management.
Browse everywhere (all shell namespace)
Preview documents, pictures, music, video
Side by side views for easy file management
Filter and select with wildcards
Synchronize folders
Manage files with color tags
free and portable file manager
* The free version is for private (home) or academic (school & university) and general non-profit use only. You cannot use it in any commercial context, including but not limited to: corporate, office, military, government etc. All commercial users must obtain a license for the full version.
http://zabkat.com/x2lite.htm