Paribus - Find out for free if online stores owe you a refund!
Human:Activity tracker - Activity tracker - Walking, running, biking and Calorie tracking
Lolli - Earn bitcoin when you shop online
Mango Mirror - A personal health and daily activity dashboard on a mirror
Earny.co - Win prizes on Amazon purchases
Pedometer++ - gmap-pedometer.com is the free, no login required, route planner for runners cyclists and walkers. Measure your distance in miles or km, see elevation graphs, and track calorie burn all one one page.