Windows only: Free application AccelMan is a dual-pane Windows Explorer replacement with a powerful feature set. Previously a shareware application, AccelMan boasts a built-in image viewer, tabbed views, command line integration, a media player, text editor, and even file compression and extraction with support for 15 popular formats (including ZIP and RAR). It also does as-you-type search, reads PDF and Microsoft Office documents, and tons more. We’ve shown you how to replace Explorer with Xplorer2, but if you’re looking for an Explorer alternative and Xplorer2 wasn’t you’re thing, AccelMan is worth a look. AccelMan is freeware, Windows only.