Krusader is an advanced twin-panel (commander-style) file-manager for KDE 3.x, but with many extras. It provides all the file-management features you could possibly want. It also features extensive archive handling, mounted filesystem support, FTP, an advanced search module, a text viewer/editor, directory synchronization, support for file content comparisons, powerful batch renaming, and much more. It supports the following archive formats: tar, zip, bzip2, gzip, rar, ace, arj, and rpm. It can also handle other KIOSlaves such as smb:// or fish://.
Linux NTFS provides Linux kernel drivers, a multiplatform NTFS library, and tools to create, resize, clone, rescue, query, label and fix NTFS volumes, and to undelete, resize, list, and query files for the filesystem used by Windows XP, 2003, 2000, NT4, and Vista. It also provides support for the Logical Disk Manager (LDM) that controls Windows' Dynamic Disks and is used to create software mirrors, stripes, and RAID.
4Pane is a four pane detailed-list file manager for Linux. It is designed to be fully-featured without bloat, and aims for speed rather than visual effects. In addition to standard file manager things, it offers multiple undo and redo of most operations (including deletions), archive management including 'virtual browsing' inside archives, multiple renaming/duplication of files, a terminal emulator, and user-defined tools.
Necromancer's Dos Navigator is a "Norton Commander" clone. It uses a well known text-mode interface, is highly customizable, and has a lot of features. Its key features are a text editor with syntax highlighting, horizontal/vertical blocks, multiple codepages, undo/redo, bookmarks, powerful searching, and regex; a file viewer with text view, asm/dump/hex edit, raw blocks, header viewer, search, regex, and unlimited filesize; a powerful filepanel with higlighting, VFSs, and filefind with textsearch and regex; a calculator; and more.
Xplorer is a file manager with fast and accurate filetype detection. It has a tree and a list field displaying the contents of your local filesystem. Drag and drop, and cut and paste are supported along with deleting, renaming, and creating files. It does not have embedded file viewers, but launches the external applications of your choice. The package runs directly on Xlib and does not have a dependency on external toolkits.