MindSumo – students solve problems for companies and win points for good ideas. The experience and prizes are awesome. They are always expanding into new programs and possibilities, like freelance gigs, challenges, etc.
Sign up with your .edu email address in order to set up an account. You can then select the challenges you want to participate in and get started. They are constantly adding new ones and it is your time to shine and get your name out their for potential future employers as well as resume building. The rewards and money earned are good, but secondary to how valuable the job opportunities and learning experiences are.