There are some awesome internet tools out there, but this one has to be one of my favorites. I dislike fax machines, so I love any new creation that allows me to save time by not standing in front of the fax machine!
This tool is simple it allows you to send faxes for free straight from your computer. You simply go to the website and enter in the contact information fields and upload your documents. Once they are attached, you hit send. Easy as pie.
Check it out here: http://faxzero.com/