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.
AutoHotkey - The ultimate automation scripting language for Windows.
Dropover - Mac app for easier drag & drop
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
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.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.