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.

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

Dropover - Mac app for easier drag & drop

LightShot - The fastest way to take a customizable screenshot.

Unclutter - Unclutter is an app that is designed to help Mac users bring order to their desktop. Among other features, this powerful piece of software provides quick access to a user's notepad and clipboard.

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