These will typically be students studying English as a foreign rather than as a second language. Programs for adults who are highly motivated, for one reason or another, to learn English. SDL-review software can be used by students independently after an introduction by the teacher. Group refers to use by a group of students, usually over a network. Some group software can also be used by individuals.
Class refers to use in a class, usually with the teacher organizing the activities on the computer.
Most software also has network and site licensing available. Look at your answers to the questions above, then find titles on the following tables that may meet your needs. We've preferred programs that run on both Macintosh and Windows machines over ones that run only on one or the other, and Windows over DOS programs. These are programs you can get from mail order companies. EduCorp has one of the largest CD-ROM collections, but there are a plethora of others.