Screenzy - A simple screenshot beautifier
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.
BrandBird - Brand your Twitter content uniquely
Dropover - Mac app for easier drag & drop
Xnapper - Take beautiful screenshots instantly
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.