new-fast-duplicate
Easily duplicate selected line, below or above, with keyboard shortcut, Netbeans like
new-fast-duplicate Atom package
atom package to easily duplicate selected lines, placing the new lines above or below each selecion.
ctrl-shift-up to duplicate above
ctrl-shift-down to duplicate below
Selection will be automatically expanded to complete lines, so you can use this even with no selection at all, it will duplicate the lines of the current cursors.
It is a fork of the fast-duplicate project. Remove fast-duplicate before you install new-fast-duplicate!