Mozilla MiniT (drag indicator) Adds tab dragging with drop place indicator. Cool now you can rearrange the tabs.
Search Keys extension for Firefox
Search Keys lets you go to search results by pressing the number of the search result instead of clicking. For example, pressing 1 takes you to the first result. Hold Alt (Windows/Mac) or Ctrl (Linux) to open results in new tabs, or Shift to open results in new windows.
Search Keys supports [...]