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.

Droplr - Droplr is a tiny application that aims at helping people share things easier.

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.

LightShot - The fastest way to take a customizable screenshot.

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

Dropshare - The most flexible file sharing tools you'll ever use. Upload Screen Shots, Screen Recordings, Files, Folders, just anything with Dropshare.