Resco Explorer is a file management system for Pocket PCs.  Resco Explorer inclues a File Manager, Today Plugin, Strong File Encryption, ZIP Compression, The built-in viewer, The Network Browser, The Registry Editor and The FTP add-in. 

Virtual Explorer

Virtual Explorer is designed to replace the rather restricted features of the standard Pocket PC File Explorer application. Virtual Explorer allows users to perform all the standard file manipulation tasks (moving, copying, renaming, deleting) but also includes a fully featured registry editor, a recycle bin, support for .zip compression, strong cryptographic encryption, user profiles, navigation, multiple views, secure deletion of files and folders (implementation of the DOD 5220.22-M standard), custom folder icons and rich personalization. Includes support for Square/VGA/QVGA screens and on-the-fly screen rotation, navigation header bar with built-in CPU load monitor, total folder sizes, advanced file/folder properties, etc. PPC 2002; WM2003 & WM5

PPXplorer

PPXplorer is a management utility for your Pocket PC that provides standard features such as file/folder manipulation, a network browser, registry editor, FTP client and file safe.  PPC 2002 & 2003

STExplorer

With STExplorer, you can view the files on your Pocket PC like you would on your desktop in Windows Explorer.  Folder trees and folder contents are displayed in a comfortable, user-friendly way, and functions such as copy, cut and paste are active.  You can even format Secure Digital and CompactFlash flash memory cards! PPC 2000, 2002 & 2003

SwellDisk 300%

Using software compression, SwellDisk aims to increase the storage space of removeable flash media cards - SD, CompactFlash, etc. - by as much as 300%.

Windows Mobile 5 Version