Yoink - Yoink is a website that makes it easier to drag and drop images and text from one screen to another. It's a straightforward site with help along the way if you aren't sure about dragging and how to place your content.

Nimi Places - Nimi Places is a Windows desktop organizer that gives you the ability to put files and folders into customizable containers. The elements in the containers are represented as icons or thumbnails. Read more about Nimi Places.

Dropzone - If you want your file uploads to work even without JavaScript, you can include an element with the class fallback that dropzone will remove if the browser is supported.

iCollections - Organize your Mac desktop items.

Dropshelf - Dropshelf is a place to put things. Drag anything to the edge of the screen, and a shelf slides out.

Zeplin - Collaboration app for UI designers & frontend developers