The Lite version of the complete todo, task, checklist, packlist and project management personal organizer:
* Advanced UI
* Widget
* Sync to GCalendar
* Action
* Repeating Tasks
* Alarm
* Template support
* Import/Export
* Send via email
* Sort
* Alarm notifications
More detail at checkmark.greenbeansoft.com

Do you turn off your alarm clock and fall back asleep? Here is an alarm specially for you.Set multiple alarms at once and set a type of "final alarm" which will surely wake you up.

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!

Complete and easy file manager for files and folders, with dual page view for fast transfers. Dual explorer allows you to easily browse the SD card.

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.

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

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).

There are many applications that automatically start when you turn on your device; many of these you don't use or need, they just consume your valuable resources. Autorun Killer lets you manage applications that start up when you boot your device. Donate version even tries to prevent their restart (and is ad-free).