Eastgate Systems is a publisher and software company headquartered in Watertown, Massachusetts, which publishes hypertext.Eastgate is a pioneer in hypertext publishing and electronic literature and one of the best known publishers of hypertext fiction. It publishes fiction, non-fiction, and poetry hypertexts by established authors with careers in print, as well as new authors. Its software tools include Storyspace, a hypertext system created by Jay David Bolter, Michael Joyce, and John B.