Do you love sticky notes, but you don't like having them all over your desk or refrigerator. Well I have a solution for you and it's called Listhings. Their motto is "store notes and save trees". Not only is Listhings trying to save you paper, but the promise to by carbon credits for the energy used to keep there servers running. You can use the site on-the-go or sign up for a free account. Demo below.