Menu Humility shoves plugins with top level nav menus (below “Dashboard”) to the bottom of your Dashboard sidebar.
Newsletter Sign-Up provides various ways to gain more subscribers to your mailing list.
WYSIWYG Widgets allows you to create easy rich text widgets without having to know HTML.
Query Multiple Taxonomies adds an advanced taxonomy navigation widget that lets users filter posts by multiple criteria.
WordPress Beta Tester allows you to easily upgrade to WordPress Beta releases.