LendList - Never again forget what you borrowed from someone and keep track of what your friends borrowed from you (Android app). - raphaelm/lendlist
Campnab - Nab that sold-out campsite!
You Borrowed It - Keep track of who borrowed what and when you can expect it back
Hipcamp - Book unique camping experiences on over 300,000 campsites, cabins, RV parks, public parks and more.
Outdoorsy - Find the best RV rental
Aerial Camping - Discover campgrounds from the sky ⛰