LIKEtoKNOW.it - Shop your favorite Instagram accounts
LoveSales - Find and save products you love, get alerted when they go on sale.
Ballwool - social network marketplace
TrackIf - Alerts you if the price of your favorite products drop
Linklay - Clickable images that engage and convert more sales
Giftwhale - Giftwhale allows you to create personalised wish lists online.