Smooth calander
Very good application to display the calendar events on the home screen. It would have been more useful if the time is also added on the top.
LauncherPro
Super-smooth scrolling, Animated screen previews (like Exposé or HTC Sense), Up to 7 home screens, App drawer (2D and 3D!) with a fly-in effect and smooth scrolling,Scrollable shortcut dock, Paid version contains additional Widgets
Battery Saver
To save your phone’s battery, you need to kill background tasks, adjust screen brightness, turn off wifi, gps, bluetooth, network etc. It include “task killer” + “quick settings”; which work together and help you save your battery. Please ensure that you are not killing all applications by default.
Noodles
Very simple task management application, very easy to use. You can drag and drop task to set priorities. Free version has some limitations.
Asto file manager
Very good file management application for android. It has features like , Backup, Image and text viewers, Networking, SMB, Bluetooth, SFTP, Zip Tar, downloader, thumbnails, search files, application manager, task manager, attachments
Evernotes
Evernote turns your Android phone into an extension of your brain. This award-winning app lets you remember and recall anything that happens in your life. From notes to ideas to snapshots to recordings, put everything into Evernote and watch as it all instantly synchronizes from your phone to the Web to your PC.
Gtask
Rich google task client, simple todo, checklist tool. Synchronize with google automatically, also support local mode. Indent, unindent, share, etc
Jorte
This software is a personal organizer application designed to be as close to a real personal organizer possible, and also to be attractive and practical. Not only the scheduler but also Tasks can be used. It corresponds to synchronization with Google Calendar and Google Tasks.
Android Manager Wifi.
Do you want to sync your address book calendar with desktop using wifi than this is the right tool for you. You can take the backup of all your mobile data.
Catch
Catch Notes is a feature-packed notepad app that allows you to capture text, images, and locations, all with free sync and backups to Catch.com. Passcode protect your notes, set reminders, share, capture from a widget, and keep organized with easy #tags!
Compass
The #1 compass application for Android, featuring different styles, location display, and geo-tagged note features. No need to carry magnetic compass.