Search for content by title or add edit link to node
Yes, there's the Administration Views module, which replaces a bunch of the default admin pages with configurable views:


  Replaces administrative overview/listing pages with actual views for superior usability.


Features:


  
  Filter all administrative views via AJAX.
  Perform any kind of bulk/mass operations on items in administrative views.
  Filter content by title, node type, author, published status, and/or vocabulary.
  Filter comments by title, author, node title, or published status.
  Filter users by name, ban/blocked status, or user roles.
  


You'll also need the Views module for this