Blackberry Freeware

Vlingo is application allows you instantly send a text or email message, call a friend, search the Web, update your Facebook or Twitter status, create a “note to self” and more by speaking to your BlackBerry smartphone.

MaraTick is a small and simple  free Blackberry application allow you to make shopping list.
Features:
* Checked off items are automatically pushed down to the bottom of list
* Unlimited number of list and list size
* Auto-complete with a built in dictionary (user propmted to load upon install)
* Self learning dictionary of todo items
* Icon selector [...]

Ebay Application for Blackberry allow you have the ability to view, buy and pay for items. You can also do advance search such a limit results to certain distance to save on shipping charges.
Features
With eBay on your BlackBerry smartphone3, you won’t miss out on what’s happening online. Features include the following:

Real-time home screen notifications [...]

Skydeck is a free online backup software for Blackberry that safely backups your address book to a remote server manage by Skydeck. This utility also can backup a copy of your SMS message, call history and keep up with everyone automatically.

BlackShield is  free Blackberry application screen saver with OS 4.3 or higher.
Features:
* A blackberry floats across screen
* Navigation ball click will hold it on, navigation ball roll will throw it
* Clicking navigation ball again will smash it!