Rent the Backyard - Get an apartment in your backyard at no cost to you
Maridesk - A one-stop solution for managing your property and residents
Airbnb - Book unique places to stay and things to do.
NowRenting - Everything a landlord or rental agent needs in one web app.
Fat Lama - Borrow stuff you need. Lend stuff you don't
Innago - Innago offers a cloud-based property management platform for landlords with small to midsize property portfolios. Innago is 100% free to use and comes with a long list of affordable features.