Reading Skills for Today’s Adults (RSTA) Professional Edition is a comprehensive basic literacy program, with activities for native English and native Spanish speakers.
Readworks.org provides a high-quality library of fiction and nonfiction passages that can increase reading comprehension (both literal and inferential), vocabulary acquisition and writing skills for learners. It is targeted at K-12 grade readers, but is easily transferable to adult learners.
The Great Courses includes a series of high school and college level audio and video courses produced and distributed by The Teaching Company. They are designed to expand learners' horizons, deepen understanding, and foster epiphanies.
USA Learns includes six English courses to help students learn beginning and intermediate English, prepare for the U.S. Citizen naturalization process, and master communication skills for nursing assistant work.