Summary List Placement20. Udemy Category: Education Founders: Eren Bali, Gagan Biyani, and Oktay Caglar Total funding: $296.5 million, according to Crunchbase Udemy is an education marketplace that offers online courses for adults and young students in subjects from computer programming to public relations. 19. Raise Category: Discounts Founder: George Bousis Total funding: $147.2 million, according to Crunchbase Raise is a direct-to-consumer marketplace for discounted gift cards and coupons. The site sells gift cards from more than 4,000 brands including Target, Walmart, and Best Buy. 18.