SYNC Audiobooks for Teens, a yearly summer audiobook program for teens 13 years old and up, is back in its 11th season to offer free audiobooks weekly beginning April 30 until July 29. Interested participants from all over the world—not just from the U.S.—get two free audiobook downloads per week which they can keep even after the program is over. Anyone (not just teens) who might be interested in young adult audiobooks is welcome to join.
Click here for more information and their summer release schedule. You can also sign up for Book Riot's YA newsletter and there's a link to several other websites that offer free audiobooks.