BrandMag - Follow your favorite brands across multiple online stores with «The-Brandmag.com»
LoveSales - Find and save products you love, get alerted when they go on sale.
Palet.ly - loads of color palettes made from images.
TrackIf - Alerts you if the price of your favorite products drop
Pleeq - Pleeq - amazing image bookmarking for your inspiration.
Giftwhale - Giftwhale allows you to create personalised wish lists online.