Running out of storage space? Spotdox is a great companion app for Dropbox users. A Dropbox add-on, Spotdox gives you secure, remote access to any file on your Mac, not just your Dropbox folder. It's pretty cool, and for a little while, Lifehacker readers can get 66% off Spotdox - just $19.99 for lifetime access.
Spotdox is really easy to use - barely any setup required. Still in doubt? Thorin Klosowski at Lifehacker said Spotdox is, "a dead simple way to make your computer easy to access from anywhere without really setting anything up."