Evellum began developing software for the digital analysis and presentation of medieval manuscripts nearly fifteen year ago, when there were very few design and delivery options available to programmers. In the early years, it was not apparent how it would be best to deliver such products nor exactly how they would function and be used, and the question of longevity plagued us. Today there is the TEI to help standardize the mark-up of text and to offer a greater guarantee of longevity than was previously possible, and internet browsers are capable of facilitating the delivery of programmes that integrate text, image and video. Two products designed by Evellum are described here, with comments on the pedagogical issues that have helped determine their shape
