Dropshelf

Dropshelf makes dragging and dropping easier, by providing a resting place for draggable items. Just drag an item to any edge of the screen, and Dropshelf slides out.

Keep files, images, URLs and text clippings handy until you are ready to drag them out to other apps.
What's new in this version:
Dropshelf is now fully compatible with with OS X 10.11 El Capitan.