InnoCentive is an "open innovation" company that takes research and development problems from various domains and posts them as challenge problems online for anyone to solve. It provides cash awards for the best solutions. InnoCentive works with partners like the Rockefeller Foundation to find solutions to problems of the 21st century. It generates revenue from subscription fees, partnerships, commissions on rewards, and consultancy services. Competitors include Fellowforce.com and Philoptima, which also connect organizations with talent through open innovation challenges with cash prizes.