BAGOBAGO Backpack Chair - Sit down anywhere on your backpack
LendList - Never again forget what you borrowed from someone and keep track of what your friends borrowed from you (Android app). - raphaelm/lendlist
Goboony - The Airbnb for motorhomes
You Borrowed It - Keep track of who borrowed what and when you can expect it back
ARES Work & Gym Backpack - The versatile backpack for work & gym needs
Outdoorsy - Find the best RV rental