Linksign up to get a $25 credit. They just launched in 24 new cities, and you can get free rides in all of these cities until May 8: ALBUQUERQUE, ANN ARBOR, BUFFALO, COLORADO SPRINGS, CORPUS CHRISTI, FRESNO, JACKSONVILLE, KANSAS CITY, LEXINGTON, LINCOLN, LOUISVILLE, MEMPHIS, MODESTO, NEW HAVEN, NEWARK, OKLAHOMA CITY, OMAHA, RALEIGH , DURHAM, ROCHESTER, SAN BERNARDINO, SPOKANE, TOLEDO, TULSA, and VIRGINIA BEACH. The other areas available are listed here. Lyft is a car service that is similar to Uber, which still has a $20 credit for new users as well.