Gymi is a free personal trainer available via Facebook messenger that can save you hours at the gym by helping you with:Workout of The Day - Your daily workout...
TweetBeam is an awesome Twitter visualization, which allows you to turn any Twitter search or hashtag into a beautiful interactive display. See it for yourself...
Tagnabit is a service that aggregates tags from popular social media websites and then displays content at one place. More about Tagnabit in this review....