LoveSales - Find and save products you love, get alerted when they go on sale.
Revlio - Make ads, posts & products shoppable using SMS & Instagram
TrackIf - Alerts you if the price of your favorite products drop
Browsy - Make your Pinterest Boards shoppable.
Giftwhale - Giftwhale allows you to create personalised wish lists online.
LIKEtoKNOW.it - Shop your favorite Instagram accounts