WordPress for BlackBerry (WP Blackberry) – Open Source WordPress for Blackberry application.
WordPress for BlackBerry app allows you to write posts, upload photos and videos, edit pages, and manage comments. Both WordPress.com and self-hosted WordPress (2.7 or higher) sites are supported.
WordPress for BlackBerry is available in the App World: http://appworld.blackberry.com/webstore/content/5802.
For those who could not download using Appworld the easiest way is to point your mobile browser at the “Over-The-Air” installation link.
Download: WordPress for BlackBerry 1.0