Rumble - Manage your professional, social and viral videos
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Minimal - Minimal is a full-feature writing + notes app for iOS and Mac.
Fetchee - Fetchee is a free price tracking wish list app that works with all online stores worldwide.
Collabpad - Online notepad multiple people can work on
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.