1. Wp SocialA social web integration plugin for WordPress. (Twitter, Facebook, etc.)
9. gem-stepsRuby Gem to aid in simple user feedback in scripting environments.
10. wp-tax-post-bindingA WordPress plugin that provides extended functionality for taxonomies such as post meta and featured image through creating a custom post type and associating it to that taxonomy.
15. wp-admin-column-viewAdds a columnar view of all your pages (and hierarchical custom post types), similar to the view found in the OS X Finder. Makes it much easier to manage sites with lots of pages. Drag and drop to re-order your pages.