Dropbox for Gmail saves you space and headaches by integrating your Dropbox with your email
Sortd is a smart skin for Gmail that transforms your inbox into a set of lists you can customize to fit your workflow. You can change the list names, add as many as you please, and reorder them at will. Sortd is built around dragging and dropping, and tailoring your inbox to fit your needs is refreshingly simple.
Get it here.
Does it really work? Did I made a mistake??