AndExplorer is a file manager for Android devices. It allows browsing files and folders stored on device and sdcard. It can sort by name, size and date. Copy/Paste, rename, delete, create folder, send files as email attachment features are available. It is able to uncompress ZIP, GZIP and TAR files too. It can be called from another application through Intent facilities (open file/folder, uncompress).

AndFTP is a FTP, SFTP, SCP, FTPS client for Android devices. It allows managing several FTP servers. It comes with both a device file browser and a FTP file browser. It provides download and upload features with resume support. Use device menu to rename, delete, copy, set permissions and create folders. It provides FTP (File Transfer Protocol), SFTP (SSH's secure File transfer protocol) support and FTPS (Explicit FTP over TLS/SSL).

ROOT REQUIRED!

AutoKiller fine tunes android's inner memory manager to keep your device fast and smooth.

Features:
-process manager
-advanced mode
-alternate preset while sleep
-presets (with shortcuts)
-settings reapply on boot
-statistics

check home page for details!

AndSMB is a SMB (Samba/CIFS) client for Android devices.

    安安卜是一款集文件管理、任务管理、来电防火墙、短信过滤、网络管理、数据库管理、垃圾清理、开机加速、内存管理、监控器于一体的Android管理软件，全面管理android系统问题。
    AndBox is a set of files management, task management, call firewall, SMS filtering, network management, database management, garbage clean, boot speed, memory management, monitor management software, Overall management of the android system problems.

More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222