Upwork is a freelancing platform that connects businesses and talent to unlock their potential. It was founded in 2013 as a result of the merger of two previous platforms, Elance and oDesk. Upwork offers a variety of services and skills for clients to choose from, and allows freelancers to find, apply, and collaborate on projects that match their expertise and interests. Upwork's mission is to create economic opportunities for people around the world, and to make work more rewarding and flexible.