SE-Explorer is a free portable dual-panel file manager. It has tabbed interface; new search feature that allows to search media files, text in files, recently changed documents, files by tags; embedded size scanner and lots of build-in tools: Media player for multimedia files. Picture viewer with slideshow option. Documents viewer for DjVu, PDF, DOC and WRI. Archive view for ZIP, RAR, ISO, MSI, etc. Viewers for fonts, xml, hex, icon and even more

Screenshot of SE-Explorer