MindWallet Tablet is the best free password and private data management solution for Tablet 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

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!

Advanced Launcher is a must-have application for every Android owner. Advanced Launcher will create shortcuts to any application or function with ease and style. It makes your android device extremely handy and user-friendly.

Upload, manage and stream your music from cloud-based online music storage. Get 2GB of free storage to store your mp3, ogg, and m4a files. Upload and download directly from your phone, build playlists and more.

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

Little tool helping you manage your daily life.
It can keep all the notes (also the draft) with both good order and good reason.

CloudStock is an Amazon S3 manager and file transfer client. It supports transfers up to 5GB and comes with a local file browser. Push your photos, videos or documents in one click and get a short URL for Facebook, Twitter or any message service. Backup and transfer entire folders using transparent compressed archives.
http://s3.ihunda.com