• Auto Copy and Copy Plain Text extensions
  With AutoCopy, If you wish to copy something, all you need to do is highlight the text that you wish to copy.
  in Software > Mozilla Project > Extensions with autocopy firefox firefoxextension plaintext
• mozdev.org - autocopy: index
  Select text on any web page and it will be automatically copied to the clipboard. It works in much the same way as does Trillian or mIrc.
  in Software > Mozilla Project > Extensions with autocopy firefoxextension by 4 users

autocopy from all users