How to use the entity api’s entity_metadata_wrapper() to send invitation emails provided by the invite_by_email module. This approach can easily be setup as a custom rule action to provide significant flexibility.
Drupal 7 did the much-needed job of bringing CCK fields into core, but forgot an important piece of the user experience when they did not include a button to easily delete field values. This experimental module provides that missing UX.
This simple module allows the site admin to choose to load views dynamically with ajax, as opposed to being rendered directly on the page. This is very useful when dealing with caching such as varnish.