Actively maintained

This module adds a trash bin for all content entities.

This module performs additional validation when a node is created or updated by a user to require that a node's title, author, language, and CCK fields are unique within a given context.

Without this module, Drupal and CCK do not prevent multiple nodes from having the same title or the same value in a certain field.

For example, if you have a content type with a date field and there should only be one node per date, you could use this module to prevent a node from being saved with a date already used in another node.

SPARQL is a query language for pattern matching against RDF graphs. The syntax resembles SQL, making for a friendly learning curve, but SPARQL is far more powerful, enabling queries spanning multiple disparate (local or remote) data sources containing heterogeneous semistructured data.

Membership module connects Drupal to external systems which are responsible for the lifecycle of a membership.

Retrieves Skype status information via Skype's public presence service for users to display in their profile and also provides a block for site-wide usage (available only in D7!).

Note: Skype's presence service returns an "Unknown" status unless you've enabled "Allow my status to be shown on the web" in your Skype client's privacy options.

Uses the current page's location in the site menus to generate a breadcrumb showing the menu items which lead to that page.