One of the only eco-friendly software packages for Mac OS X, Paperless is software that helps you cut through the clutter. Using the Paperless Optical Character Recognition (OCR), you can scan your receipts, warranty cards, deposit slips and other paperwork and Paperless will automatically recognize and categorize these documents. The built-in search functionality even lets you find and organize receipts and documents into Smart Collections. Already have your documents as PDFs or other file formats? No problem. Simply drag and drop them into Paperless.