Alex King is among the original contributors to the WordPress project (which has almost reached version 3.0) and a prolific plugin developer. As you might expect, over the years he and his team at Crowd Favorite have created numerous freely available products and tools for WordPress. A few of them include:
Tagaroo: Suggests possible tags and flickr images for people, places, events etc.
BackupMoxie: A streamlined and transparent backup solution for WordPress sites of any size.
Analytics360: Bring MailChimp and Google Analytics statistics to your WordPress dashboard.
Carrington: An easy to use yet powerful template system for WordPress.
WordPress Help Center: On call WordPress support for tasks of any size.
The Business of WordPress Conference
Plugin picks of the week:
CMS Tree Page View
Mouse Eye Tracking Service