What Drupal modules do you like to use?

Some of our favorite modules include:

• CCK - Used for building content types
• Views - Used for assembling custom database queries without coding
• Panels - Used for laying out site content. Much more flexible than the standard block and region method.
• Admin Menu - Used for easier navigation of administration pages
• Image Field - Adds image components to content types in CCK
• Image Cache - Generates images to your specifications based on original images
• Services - Enables Drupal to communicate with external web applications
• Organic Groups - Enables group centric sites
• Notifications - Used for sending email and SMS notifications on program events
• Simple News - Used for sending newsletters and tracking newsletter subscribers
• SWF Tools - Enables the embedding of flash content without coding embed scripts
• Pathauto - Used to manage and bulk create SEO friendly url aliases to replace default node/n addresses
• Advanced Forum - Adds nice PhpBB type features to the default Drupal forums
• Devel - Aids development of modules and themes
• Util - Provides features that make managing a Drupal site easier