eVent® Compression Dry Sacks. I use them to pack my food and clothes--keeps both dry, and squeezes all the air out. Makes it easy to hang to keep out of reach of bears (and out of camp site).
Hiker Alert - a web service that lets hikers leave detailed itineraries for friends and family, then automatically sends them alerts if you don't check in when scheduled. Interesting idea.
Bottle cap candles - burn 1 to 1.5 hours, great for travel or to use when you're entertaining on the deck at night and so easy to make!
The Uber Match is simple to make, highly water and wind resistant. Uses 4 matches, cotton, and wax. Starts camp fires easier with larger flame that lasts longer.
Billed as the "worlds lightest double walled free standing tent" - Soul 1P tent - Big Sky International