OTOSource is a single source online repository for otolaryngology education. Whether you are a resident, program director, faculty, or practicing otolaryngologist—this standard study guide provides you with teaching tools to assist with board certification, recertification, and lifelong learning. Each module outline serves as a roadmap of topics, learning objectives, references, education activities, and surgical videos. Access is now available with additional content under development. OTOSource was developed by the Comprehensive Curriculum Task Force and Work Group, comprised of representatives from all otolaryngology subspecialty societies.