File management app that let you copy, swap card, and even copy files in batches. On top of that, built-in FTP client.

WiFi Android Manager
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Tired of taking the SD Card in and out to synchronize your files with PC ?
Then WiFi Android Manager is your perfect choice.

##Free for only one week!! From the publisher East2West!!(from 13th, June~19th, June,2011)##
FileGo provide a simple and friendly interface, allowing you easily get to local or network file management, APK installation, application management, process management, and other commonly used complex functions. And it breaks the limitation of one-screen file management, the interface will be extended to two-screen to display and operate.

Open source Android file browser. (Early alpha version)
Simple file browser with cut, copy and paste actions.
Google Code Page

Root File Manager, with a Terminal

This is a Root File manager aka SU File manager with included terminal, supports running scripts, viewing/extracting/installing apks, creating/viewing/extracting zip files, file launcher/viewer, Syntax highlighting, ability to view apk xml files, also the ability to browse a computer via wifi and transfer files back and forth.

This ultimate File Manager app for both phones and tablets offers the ability to execute all your essential file management tasks without the overhead of other file managers. This lightweight application offers the ability to:

- Explore Folders and Browse Files
- Copy and Paste Files
- Move and Delete Files
- Backup Applications
- Launch Applications

Enjoy and let us know how we can improve!

S3Anywhere is an Amazon S3 file manager for Android Handsets. It allows managing several S3 buckets. It comes with both handset and S3 file managers. It provides download and upload features. Resume support for download is available. File managers allows renaming, deleting, and copying files. You can view permissions (ACL) on each file and share link.

The ultimate file manager for root users, similar to the rootexplorer,It is a support system-level view document management software,also supports file operations and sharing.

安安文件管理是一款支持浏览系统级的文件管理软件，同时支持文件操作和分享。
More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222