Report #32 in this series has considered the special attention required to make online collaborative tools fully accessible. The particular challenge for software developers is to optimize the accessibility of online education for persons with disabilities. In the process, the software's efficiency for all users is likely to be increased. The…

Previous reports in this series (#32 and 36) have discussed online software features of value to disabled learners in distance education. The current report evaluates four specific assistive software products with useful features for visually and hearing impaired learners: "ATutor", "ACollab", "Natural Voice", and "Just Vanilla". The evaluative…