Glitter Drag Plus автор ililu

The main feature of this addon

Allow 4 directions to drag stuff
Allows drag text, links, images
Supports these functions: open, copy, search
Support types with above functions: text, link ,(image has not been supported, but it will)
Chooses the position of the tab: open the tab at first, last or right of the current tab
You can Specifiy how to open the new tab, background or foreground


The most important part is that they are all combinational, such as :

Dragging a link upward will open it in background with position of last;
Dragging a link rightward will copy the text of link.

Just go to option page and choose you favorite commands;

Source Code: https://github.com/harytfw/GlitterDrag