99designs - The #1 marketplace for graphic design, including logo design, web design and other design contests. Start a contest now with 100% Money-Back Guarantee!
Dealroom.co - Identify promising companies before everyone else. Dealroom helps professional investors, corporates and local governments to discover & track innovative tech companies.
DesignCrowd - Get the Perfect Custom Design, Every Time With the world's #1 custom design marketplace
PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
eBay - Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.