As with Gilt, wannabe-members need to provide an e-mail address to be added to the waiting list, but downloading the iPhone application provides instant access.
Members can invite friends and receive a $10 credit when new friends place their first order.
Yet another site for designer-oriented digital shoppers, Haute Look offers subscribers 50 to 75 percent off discounts on apparel, accessories, beauty products and home goods through its 48-hour sales.
Haute Look is free to join (no invitation necessary) and offers goods for adults and kids. While it also features high-profile brands, its prices are typically lower than those on Gilt.com.
If you're looking to save on your next visit to the salon, Lifebooker is the site for you.
Exclusively focused on beauty and health deals, the site lets users search for and book appointments with businesses in New York and Los Angeles.
The site caters to men and women and lists deep discounts on services for hair, body, nails, fitness, massage, nutrition and more.
Each time you honor an appointment booked on the site you receive a "Reward Dollar" that can be redeemed for a future service. Users can also receive rewards for inviting friends to the site.